317143720688 has 40 divisors (see below), whose sum is σ = 621474955200. Its totient is φ = 156763689984.

The previous prime is 317143720627. The next prime is 317143720697. The reversal of 317143720688 is 886027341713.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10478345 + ... + 10508567.

It is an arithmetic number, because the mean of its divisors is an integer number (15536873880).

Almost surely, 2^317143720688 is an apocalyptic number.

It is an amenable number.

317143720688 is a deficient number, since it is larger than the sum of its proper divisors (304331234512).

317143720688 is a wasteful number, since it uses less digits than its factorization.

317143720688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37689 (or 37683 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 50.

The spelling of 317143720688 in words is "three hundred seventeen billion, one hundred forty-three million, seven hundred twenty thousand, six hundred eighty-eight".