317728513832 has 32 divisors (see below), whose sum is σ = 605886976800. Its totient is φ = 156159086784.

The previous prime is 317728513831. The next prime is 317728513871. The reversal of 317728513832 is 238315827713.

It is not an unprimeable number, because it can be changed into a prime (317728513831) by changing a digit.

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, 9126683 + ... + 9161429.

It is an arithmetic number, because the mean of its divisors is an integer number (18933968025).

Almost surely, 2^317728513832 is an apocalyptic number.

It is an amenable number.

317728513832 is a deficient number, since it is larger than the sum of its proper divisors (288158462968).

317728513832 is a wasteful number, since it uses less digits than its factorization.

317728513832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54185 (or 54181 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 50.

The spelling of 317728513832 in words is "three hundred seventeen billion, seven hundred twenty-eight million, five hundred thirteen thousand, eight hundred thirty-two".