313495331 has 2 divisors, whose sum is σ = 313495332. Its totient is φ = 313495330.

The previous prime is 313495321. The next prime is 313495333. The reversal of 313495331 is 133594313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313495331 - 2¹⁴ = 313478947 is a prime.

It is a super-2 number, since 2×313495331² = 196558645117599122, which contains 22 as substring.

Together with 313495333, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (313495333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156747665 + 156747666.

It is an arithmetic number, because the mean of its divisors is an integer number (156747666).

Almost surely, 2^313495331 is an apocalyptic number.

313495331 is a deficient number, since it is larger than the sum of its proper divisors (1).

313495331 is an equidigital number, since it uses as much as digits as its factorization.

313495331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 32.

The square root of 313495331 is about 17705.7993606615. The cubic root of 313495331 is about 679.3241056582.

The spelling of 313495331 in words is "three hundred thirteen million, four hundred ninety-five thousand, three hundred thirty-one".