317021340087 has 24 divisors (see below), whose sum is σ = 475695406368. Its totient is φ = 203288601600.

The previous prime is 317021340079. The next prime is 317021340101. The reversal of 317021340087 is 780043120713.

317021340087 is a `hidden beast` number, since 3 + 170 + 2 + 1 + 3 + 400 + 87 = 666.

It is not a de Polignac number, because 317021340087 - 2³ = 317021340079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317021340007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6024058 + ... + 6076455.

It is an arithmetic number, because the mean of its divisors is an integer number (19820641932).

Almost surely, 2^317021340087 is an apocalyptic number.

317021340087 is a deficient number, since it is larger than the sum of its proper divisors (158674066281).

317021340087 is a wasteful number, since it uses less digits than its factorization.

317021340087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12100631 (or 12100628 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 317021340087 in words is "three hundred seventeen billion, twenty-one million, three hundred forty thousand, eighty-seven".