317157270056 has 64 divisors (see below), whose sum is σ = 652138905600. Its totient is φ = 143406942400.

The previous prime is 317157270047. The next prime is 317157270083. The reversal of 317157270056 is 650072751713.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 317157269989 and 317157270016.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13754585 + ... + 13777623.

It is an arithmetic number, because the mean of its divisors is an integer number (10189670400).

Almost surely, 2^317157270056 is an apocalyptic number.

It is an amenable number.

317157270056 is an abundant number, since it is smaller than the sum of its proper divisors (334981635544).

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

317157270056 is a wasteful number, since it uses less digits than its factorization.

317157270056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23870 (or 23866 counting only the distinct ones).

The product of its (nonzero) digits is 308700, while the sum is 44.

The spelling of 317157270056 in words is "three hundred seventeen billion, one hundred fifty-seven million, two hundred seventy thousand, fifty-six".