316396631 has 4 divisors (see below), whose sum is σ = 324113664. Its totient is φ = 308679600.

The previous prime is 316396603. The next prime is 316396643. The reversal of 316396631 is 136693613.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 316396631 - 2¹⁴ = 316380247 is a prime.

It is a super-2 number, since 2×316396631² = 200213656216300322, 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 (316396601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3858455 + ... + 3858536.

It is an arithmetic number, because the mean of its divisors is an integer number (81028416).

Almost surely, 2^316396631 is an apocalyptic number.

316396631 is a deficient number, since it is larger than the sum of its proper divisors (7717033).

316396631 is an equidigital number, since it uses as much as digits as its factorization.

316396631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7717032.

The product of its digits is 52488, while the sum is 38.

The square root of 316396631 is about 17787.5414546249. The cubic root of 316396631 is about 681.4133170044.

The spelling of 316396631 in words is "three hundred sixteen million, three hundred ninety-six thousand, six hundred thirty-one".