317242133656 has 32 divisors (see below), whose sum is σ = 696385176480. Its totient is φ = 132644793600.

The previous prime is 317242133629. The next prime is 317242133699. The reversal of 317242133656 is 656331242713.

It is a super-2 number, since 2×317242133656² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69083535 + ... + 69088126.

It is an arithmetic number, because the mean of its divisors is an integer number (21762036765).

Almost surely, 2^317242133656 is an apocalyptic number.

It is an amenable number.

317242133656 is an abundant number, since it is smaller than the sum of its proper divisors (379143042824).

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

317242133656 is a wasteful number, since it uses less digits than its factorization.

317242133656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138171715 (or 138171711 counting only the distinct ones).

The product of its digits is 544320, while the sum is 43.

The spelling of 317242133656 in words is "three hundred seventeen billion, two hundred forty-two million, one hundred thirty-three thousand, six hundred fifty-six".