317108979 has 16 divisors (see below), whose sum is σ = 512499840. Its totient is φ = 192187080.

The previous prime is 317108977. The next prime is 317108983. The reversal of 317108979 is 979801713.

It is not a de Polignac number, because 317108979 - 2¹ = 317108977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (317108971) 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 15 ways as a sum of consecutive naturals, for example, 533557 + ... + 534150.

It is an arithmetic number, because the mean of its divisors is an integer number (32031240).

Almost surely, 2^317108979 is an apocalyptic number.

317108979 is a deficient number, since it is larger than the sum of its proper divisors (195390861).

317108979 is a wasteful number, since it uses less digits than its factorization.

317108979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067727 (or 1067721 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 45.

The square root of 317108979 is about 17807.5539870023. The cubic root of 317108979 is about 681.9243207419.

The spelling of 317108979 in words is "three hundred seventeen million, one hundred eight thousand, nine hundred seventy-nine".