What is 331 (number)?
{{Infobox number|prime=67th}}'''331''' is a number that comes after [[330 (number)|330]] and before [[332 (number)|332]]. 331 is also a lucky prime. 331 is the 67th [[prime number]] which makes it the 19th super-prime as 67 is prime. In ordinal form, 331 is written as 331st, (three hundred thirty first). [[Category:Integers]] [[Category:Prime numbers]] {{math-stub}}