331 is a prime number from 301-400. 331 has 2 factors, 1 and 331. It is the 67th prime number, and the fifth prime number from 301-400.
Relationship with other odd numbers
The numbers before
- The previous prime number is 317. A large prime gap of fourteen numbers occurs between 317 and 331.
- The previous prime number before 317 is 311.
The numbers after
- The next prime number is 337.
- 331 and 337 are six numbers apart; therefore, they are sexy primes.
- 347 is the next prime number after 337.