128838 divided by 31 
We want to figure out the number of times 128838 can be divided by 31.

Going ahead to step 1:
If we divide 1 by 31, we get 0 and a remainder of 1.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 1 after subtracting 0 from 1.
Include the next digit (2) from the dividend after 1, then repeat: 12 / 31

Going ahead to step 2:
12 divided by 31 is 0 with a remainder of 12.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 12 after subtracting 0 from 12.
Grab the next digit (8) from the dividend, add it to 12, then carry on: 128 / 31

Let's proceed to step 3:
If we divide 128 by 31, we get 4 and a remainder of 4.
Write down 4 as next digit of the result. 
Result so far: 4.0
The remainder is 4 after subtracting 124 from 128.
Take the next digit (8) from the dividend and append it to 4, then repeat: 48 / 31

Moving on to step 4:
31 goes into 48 1 times with a remainder of 17.
Write down 1 as next digit of the result. 
Result so far: 41.0
If we take 31 away from 48, we end up with 17.
Grab the next digit (3) from the dividend, add it to 17, then carry on: 173 / 31

On to step 5:
The number 31 fits into 173 5 times, leaving a remainder of 18.
The number 5 becomes the next digit in our result. 
Result so far: 415.0
If we subtract 155 from 173, we get 18.
Fetch the next digit (8) from the dividend, attach it to 18 and continue: 188 / 31

Moving on to step 6:
31 can be fit into 188 6 times, resulting in a remainder of 2.
Record the quotient 6 as the next digit in the result. 
Result so far: 4156.0
Deduct 186 from 188 and we're left with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Let's proceed to step 7:
20 divided by 31 is 0 with a remainder of 20.
Use 0 as the next digit of our solution. 
Result so far: 4156.0
If we take 0 away from 20, we end up with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

On to step 8:
The number 31 fits into 200 6 times, leaving a remainder of 14.
Put 6 as the next digit of the answer. 
Result so far: 4156.06
Deduct 186 from 200 and we're left with 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Advancing to step 9:
31 goes into 140 4 times with a remainder of 16.
Put 4 as the next digit of the answer. 
Result so far: 4156.064
The remainder is 16 after subtracting 124 from 140.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

On to step 10:
31 can be fit into 160 5 times, resulting in a remainder of 5.
Write down 5 as next digit of the result. 
Result so far: 4156.0645
The remainder is 5 after subtracting 155 from 160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Moving on to step 11:
31 can be fit into 50 1 times, resulting in a remainder of 19.
Record the quotient 1 as the next digit in the result. 
Result so far: 4156.06451
Subtract 31 from 50 to get 19.
Since there are no more digits in the dividend, we add a zero to the remainder making it 190, and continue the process.

Let's proceed to step 12:
31 can be fit into 190 6 times, resulting in a remainder of 4.
Put 6 as the next digit of the answer. 
Result so far: 4156.064516
Deduct 186 from 190 and we're left with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Going ahead to step 13:
31 goes into 40 1 times with a remainder of 9.
Write down 1 as next digit of the result. 
Result so far: 4156.0645161
Subtract 31 from 40 to get 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

Advancing to step 14:
When dividing 90 by 31, we get 2 with a remainder of 28.
Write down 2 as next digit of the result. 
Result so far: 4156.06451612
The remainder is 28 after subtracting 62 from 90.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

The final outcome is 4156.06451612, with a leftover of 2.8e-08.