317445887316 has 12 divisors (see below), whose sum is σ = 740707070432. Its totient is φ = 105815295768.

The previous prime is 317445887299. The next prime is 317445887351. The reversal of 317445887316 is 613788544713.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13226911960 + ... + 13226911983.

Almost surely, 2^317445887316 is an apocalyptic number.

It is an amenable number.

317445887316 is an abundant number, since it is smaller than the sum of its proper divisors (423261183116).

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

317445887316 is a wasteful number, since it uses less digits than its factorization.

317445887316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26453823950 (or 26453823948 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 57.

The spelling of 317445887316 in words is "three hundred seventeen billion, four hundred forty-five million, eight hundred eighty-seven thousand, three hundred sixteen".