317139190648 has 16 divisors (see below), whose sum is σ = 679583980080. Its totient is φ = 135916795968.

The previous prime is 317139190639. The next prime is 317139190679. The reversal of 317139190648 is 846091931713.

It is a super-3 number, since 3×317139190648³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 317139190595 and 317139190604.

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 3 ways as a sum of consecutive naturals, for example, 2831599861 + ... + 2831599972.

It is an arithmetic number, because the mean of its divisors is an integer number (42473998755).

Almost surely, 2^317139190648 is an apocalyptic number.

It is an amenable number.

317139190648 is an abundant number, since it is smaller than the sum of its proper divisors (362444789432).

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

317139190648 is a wasteful number, since it uses less digits than its factorization.

317139190648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5663199846 (or 5663199842 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 52.

The spelling of 317139190648 in words is "three hundred seventeen billion, one hundred thirty-nine million, one hundred ninety thousand, six hundred forty-eight".