317481358728 has 64 divisors (see below), whose sum is σ = 834170803200. Its totient is φ = 100497672000.

The previous prime is 317481358703. The next prime is 317481358739. The reversal of 317481358728 is 827853184713.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1992148 + ... + 2145603.

It is an arithmetic number, because the mean of its divisors is an integer number (13033918800).

Almost surely, 2^317481358728 is an apocalyptic number.

It is an amenable number.

317481358728 is an abundant number, since it is smaller than the sum of its proper divisors (516689444472).

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

317481358728 is a wasteful number, since it uses less digits than its factorization.

317481358728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4137922 (or 4137918 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 57.

The spelling of 317481358728 in words is "three hundred seventeen billion, four hundred eighty-one million, three hundred fifty-eight thousand, seven hundred twenty-eight".