317039213985 has 128 divisors (see below), whose sum is σ = 568524311040. Its totient is φ = 149848621056.

The previous prime is 317039213983. The next prime is 317039213987. The reversal of 317039213985 is 589312930713.

It is an interprime number because it is at equal distance from previous prime (317039213983) and next prime (317039213987).

It is not a de Polignac number, because 317039213985 - 2¹ = 317039213983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (317039213983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 429010746 + ... + 429011484.

It is an arithmetic number, because the mean of its divisors is an integer number (4441596180).

Almost surely, 2^317039213985 is an apocalyptic number.

It is an amenable number.

317039213985 is a deficient number, since it is larger than the sum of its proper divisors (251485097055).

317039213985 is a wasteful number, since it uses less digits than its factorization.

317039213985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507.

The product of its (nonzero) digits is 1224720, while the sum is 51.

The spelling of 317039213985 in words is "three hundred seventeen billion, thirty-nine million, two hundred thirteen thousand, nine hundred eighty-five".