317902945828 has 24 divisors (see below), whose sum is σ = 634367418552. Its totient is φ = 138093586944.

The previous prime is 317902945813. The next prime is 317902945837. The reversal of 317902945828 is 828549209713.

It can be written as a sum of positive squares in 4 ways, for example, as 35992919524 + 281910026304 = 189718^2 + 530952^2 .

It is a super-2 number, since 2×317902945828² (a number of 24 digits) contains 22 as substring.

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, 179808475 + ... + 179810242.

It is an arithmetic number, because the mean of its divisors is an integer number (26431975773).

Almost surely, 2^317902945828 is an apocalyptic number.

It is an amenable number.

317902945828 is a deficient number, since it is larger than the sum of its proper divisors (316464472724).

317902945828 is a wasteful number, since it uses less digits than its factorization.

317902945828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359618751 (or 359618749 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 58.

The spelling of 317902945828 in words is "three hundred seventeen billion, nine hundred two million, nine hundred forty-five thousand, eight hundred twenty-eight".