317372990 has 16 divisors (see below), whose sum is σ = 623205360. Its totient is φ = 115408320.

The previous prime is 317372989. The next prime is 317373029. The reversal of 317372990 is 99273713.

317372990 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×317372990² = 201451229563080200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1442495 + ... + 1442714.

It is an arithmetic number, because the mean of its divisors is an integer number (38950335).

Almost surely, 2^317372990 is an apocalyptic number.

317372990 is a deficient number, since it is larger than the sum of its proper divisors (305832370).

317372990 is a wasteful number, since it uses less digits than its factorization.

317372990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885227.

The product of its (nonzero) digits is 71442, while the sum is 41.

The square root of 317372990 is about 17814.9653381644. The cubic root of 317372990 is about 682.1135149870.

The spelling of 317372990 in words is "three hundred seventeen million, three hundred seventy-two thousand, nine hundred ninety".