317161320 has 96 divisors (see below), whose sum is σ = 1106848800. Its totient is φ = 72492672.

The previous prime is 317161309. The next prime is 317161391. The reversal of 317161320 is 23161713.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21090 + ... + 32849.

It is an arithmetic number, because the mean of its divisors is an integer number (11529675).

Almost surely, 2^317161320 is an apocalyptic number.

317161320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

317161320 is an abundant number, since it is smaller than the sum of its proper divisors (789687480).

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

317161320 is a wasteful number, since it uses less digits than its factorization.

317161320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53967 (or 53956 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 317161320 is about 17809.0235554901. The cubic root of 317161320 is about 681.9618374314.

The spelling of 317161320 in words is "three hundred seventeen million, one hundred sixty-one thousand, three hundred twenty".