317083730856 has 32 divisors (see below), whose sum is σ = 839339288640. Its totient is φ = 99477248768.

The previous prime is 317083730851. The next prime is 317083730881. The reversal of 317083730856 is 658037380713.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 317083730799 and 317083730808.

It is not an unprimeable number, because it can be changed into a prime (317083730851) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 388582596 + ... + 388583411.

It is an arithmetic number, because the mean of its divisors is an integer number (26229352770).

Almost surely, 2^317083730856 is an apocalyptic number.

It is an amenable number.

317083730856 is an abundant number, since it is smaller than the sum of its proper divisors (522255557784).

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

317083730856 is a wasteful number, since it uses less digits than its factorization.

317083730856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777166033 (or 777166029 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 317083730856 in words is "three hundred seventeen billion, eighty-three million, seven hundred thirty thousand, eight hundred fifty-six".