317250690 has 32 divisors (see below), whose sum is σ = 762004800. Its totient is φ = 84533184.

The previous prime is 317250679. The next prime is 317250709. The reversal of 317250690 is 96052713.

It is a super-2 number, since 2×317250690² = 201296000610952200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43057 + ... + 49883.

It is an arithmetic number, because the mean of its divisors is an integer number (23812650).

Almost surely, 2^317250690 is an apocalyptic number.

317250690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

317250690 is an abundant number, since it is smaller than the sum of its proper divisors (444754110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

317250690 is a wasteful number, since it uses less digits than its factorization.

317250690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8386.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 317250690 is about 17811.5325000405. The cubic root of 317250690 is about 682.0258860211.

The spelling of 317250690 in words is "three hundred seventeen million, two hundred fifty thousand, six hundred ninety".