317960680 has 16 divisors (see below), whose sum is σ = 715411620. Its totient is φ = 127184256.

The previous prime is 317960663. The next prime is 317960681. The reversal of 317960680 is 86069713.

It can be written as a sum of positive squares in 2 ways, for example, as 286218724 + 31741956 = 16918^2 + 5634^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 7949017 = 317960680 / (3 + 1 + 7 + 9 + 6 + 0 + 6 + 8 + 0).

It is not an unprimeable number, because it can be changed into a prime (317960681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3974469 + ... + 3974548.

Almost surely, 2^317960680 is an apocalyptic number.

It is an amenable number.

317960680 is an abundant number, since it is smaller than the sum of its proper divisors (397450940).

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

317960680 is a wasteful number, since it uses less digits than its factorization.

317960680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7949028 (or 7949024 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 317960680 is about 17831.4519879902. The cubic root of 317960680 is about 682.5342860492.

The spelling of 317960680 in words is "three hundred seventeen million, nine hundred sixty thousand, six hundred eighty".