317412520 has 32 divisors (see below), whose sum is σ = 723225600. Its totient is φ = 125356608.

The previous prime is 317412493. The next prime is 317412521. The reversal of 317412520 is 25214713.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (317412521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47064 + ... + 53383.

It is an arithmetic number, because the mean of its divisors is an integer number (22600800).

Almost surely, 2^317412520 is an apocalyptic number.

It is an amenable number.

317412520 is an abundant number, since it is smaller than the sum of its proper divisors (405813080).

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

317412520 is a wasteful number, since it uses less digits than its factorization.

317412520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100537 (or 100533 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 317412520 is about 17816.0747641000. The cubic root of 317412520 is about 682.1418337462.

The spelling of 317412520 in words is "three hundred seventeen million, four hundred twelve thousand, five hundred twenty".