317157442886 has 64 divisors (see below), whose sum is σ = 510762283200. Its totient is φ = 147271550976.

The previous prime is 317157442879. The next prime is 317157442919. The reversal of 317157442886 is 688244751713.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218276936 + ... + 218278388.

It is an arithmetic number, because the mean of its divisors is an integer number (7980660675).

Almost surely, 2^317157442886 is an apocalyptic number.

317157442886 is a deficient number, since it is larger than the sum of its proper divisors (193604840314).

317157442886 is a wasteful number, since it uses less digits than its factorization.

317157442886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073.

The product of its digits is 9031680, while the sum is 56.

The spelling of 317157442886 in words is "three hundred seventeen billion, one hundred fifty-seven million, four hundred forty-two thousand, eight hundred eighty-six".