317012320420 has 24 divisors (see below), whose sum is σ = 667866483648. Its totient is φ = 126397192800.

The previous prime is 317012320403. The next prime is 317012320421. The reversal of 317012320420 is 24023210713.

It is a happy number.

It is a super-2 number, since 2×317012320420² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (317012320421) 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, 25477086 + ... + 25489525.

It is an arithmetic number, because the mean of its divisors is an integer number (27827770152).

Almost surely, 2^317012320420 is an apocalyptic number.

It is an amenable number.

317012320420 is an abundant number, since it is smaller than the sum of its proper divisors (350854163228).

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

317012320420 is a wasteful number, since it uses less digits than its factorization.

317012320420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50966931 (or 50966929 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The spelling of 317012320420 in words is "three hundred seventeen billion, twelve million, three hundred twenty thousand, four hundred twenty".