316310431 has 2 divisors, whose sum is σ = 316310432. Its totient is φ = 316310430.

The previous prime is 316310419. The next prime is 316310441. The reversal of 316310431 is 134013613.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (134013613) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 316310431 - 2⁵ = 316310399 is a prime.

It is a super-2 number, since 2×316310431² = 200104577518811522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316310441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158155215 + 158155216.

It is an arithmetic number, because the mean of its divisors is an integer number (158155216).

Almost surely, 2^316310431 is an apocalyptic number.

316310431 is a deficient number, since it is larger than the sum of its proper divisors (1).

316310431 is an equidigital number, since it uses as much as digits as its factorization.

316310431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 316310431 is about 17785.1182453196. The cubic root of 316310431 is about 681.3514293216.

The spelling of 316310431 in words is "three hundred sixteen million, three hundred ten thousand, four hundred thirty-one".