317085207 has 24 divisors (see below), whose sum is σ = 452776176. Its totient is φ = 196694784.

The previous prime is 317085203. The next prime is 317085221. The reversal of 317085207 is 702580713.

It is not a de Polignac number, because 317085207 - 2² = 317085203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317085203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1593294 + ... + 1593492.

It is an arithmetic number, because the mean of its divisors is an integer number (18865674).

Almost surely, 2^317085207 is an apocalyptic number.

317085207 is a deficient number, since it is larger than the sum of its proper divisors (135690969).

317085207 is a wasteful number, since it uses less digits than its factorization.

317085207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 317085207 is about 17806.8865049452. The cubic root of 317085207 is about 681.9072802173.

The spelling of 317085207 in words is "three hundred seventeen million, eighty-five thousand, two hundred seven".