317912108 has 6 divisors (see below), whose sum is σ = 556346196. Its totient is φ = 158956052.

The previous prime is 317912107. The next prime is 317912117. The reversal of 317912108 is 801219713.

It is not an unprimeable number, because it can be changed into a prime (317912107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39739010 + ... + 39739017.

It is an arithmetic number, because the mean of its divisors is an integer number (92724366).

Almost surely, 2^317912108 is an apocalyptic number.

It is an amenable number.

317912108 is a deficient number, since it is larger than the sum of its proper divisors (238434088).

317912108 is a wasteful number, since it uses less digits than its factorization.

317912108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79478031 (or 79478029 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 317912108 is about 17830.0899605134. The cubic root of 317912108 is about 682.4995293999.

The spelling of 317912108 in words is "three hundred seventeen million, nine hundred twelve thousand, one hundred eight".