317116515 has 16 divisors (see below), whose sum is σ = 523754496. Its totient is φ = 163672800.

The previous prime is 317116511. The next prime is 317116519. The reversal of 317116515 is 515611713.

It is an interprime number because it is at equal distance from previous prime (317116511) and next prime (317116519).

It is not a de Polignac number, because 317116515 - 2² = 317116511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (317116511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340521 + ... + 341450.

It is an arithmetic number, because the mean of its divisors is an integer number (32734656).

Almost surely, 2^317116515 is an apocalyptic number.

317116515 is a deficient number, since it is larger than the sum of its proper divisors (206637981).

317116515 is a wasteful number, since it uses less digits than its factorization.

317116515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682010.

The product of its digits is 3150, while the sum is 30.

The square root of 317116515 is about 17807.7655813412. The cubic root of 317116515 is about 681.9297226083.

It can be divided in two parts, 31711 and 6515, that added together give a triangular number (38226 = T₂₇₆).

The spelling of 317116515 in words is "three hundred seventeen million, one hundred sixteen thousand, five hundred fifteen".