Alright, let's work through 31013207 times 29463981 step by step
31013207 × 29463981 = 29463981 × (31013207)
+ 29463981 × 7 resulting in 206247867
+ 29463981 × 00 what gives us 0
+ 29463981 × 200 that is equal 5892796200
+ 29463981 × 3000 that is equal 88391943000
+ 29463981 × 10000 producing 294639810000
+ 29463981 × 000000 that equals 0
+ 29463981 × 1000000 giving us 29463981000000
+ 29463981 × 30000000 producing 883919430000000

= 913772541797067
