317980160 has 80 divisors (see below), whose sum is σ = 767200896. Its totient is φ = 126394368.

The previous prime is 317980127. The next prime is 317980171. The reversal of 317980160 is 61089713.

317980160 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×317980160² = 202222764307251200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 317980160.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570602 + ... + 571158.

Almost surely, 2^317980160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 317980160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383600448).

317980160 is an abundant number, since it is smaller than the sum of its proper divisors (449220736).

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

317980160 is an equidigital number, since it uses as much as digits as its factorization.

317980160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 317980160 is about 17831.9982054732. The cubic root of 317980160 is about 682.5482243517.

The spelling of 317980160 in words is "three hundred seventeen million, nine hundred eighty thousand, one hundred sixty".