316426631 has 4 divisors (see below), whose sum is σ = 316477512. Its totient is φ = 316375752.

The previous prime is 316426601. The next prime is 316426651. The reversal of 316426631 is 136624613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136624613 = 761 ⋅179533.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316426631 is a prime.

It is a super-2 number, since 2×316426631² = 200251625612020322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316426601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14561 + ... + 29066.

It is an arithmetic number, because the mean of its divisors is an integer number (79119378).

Almost surely, 2^316426631 is an apocalyptic number.

316426631 is a deficient number, since it is larger than the sum of its proper divisors (50881).

316426631 is an equidigital number, since it uses as much as digits as its factorization.

316426631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50880.

The product of its digits is 15552, while the sum is 32.

The square root of 316426631 is about 17788.3847214973. The cubic root of 316426631 is about 681.4348530043.

The spelling of 316426631 in words is "three hundred sixteen million, four hundred twenty-six thousand, six hundred thirty-one".