317138279280 has 80 divisors (see below), whose sum is σ = 989390749344. Its totient is φ = 84031534080.

The previous prime is 317138279279. The next prime is 317138279299. The reversal of 317138279280 is 82972831713.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 4170631 + ... + 4245990.

Almost surely, 2^317138279280 is an apocalyptic number.

317138279280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

317138279280 is an abundant number, since it is smaller than the sum of its proper divisors (672252470064).

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

317138279280 is a wasteful number, since it uses less digits than its factorization.

317138279280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8416794 (or 8416788 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 317138279280 in words is "three hundred seventeen billion, one hundred thirty-eight million, two hundred seventy-nine thousand, two hundred eighty".