317040685 has 16 divisors (see below), whose sum is σ = 411538176. Its totient is φ = 233080128.

The previous prime is 317040643. The next prime is 317040697. The reversal of 317040685 is 586040713.

It is a cyclic number.

It is not a de Polignac number, because 317040685 - 2¹¹ = 317038637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 317040685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4012 + ... + 25498.

It is an arithmetic number, because the mean of its divisors is an integer number (25721136).

Almost surely, 2^317040685 is an apocalyptic number.

It is an amenable number.

317040685 is a deficient number, since it is larger than the sum of its proper divisors (94497491).

317040685 is a wasteful number, since it uses less digits than its factorization.

317040685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21732.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 317040685 is about 17805.6363267365. The cubic root of 317040685 is about 681.8753631423.

The spelling of 317040685 in words is "three hundred seventeen million, forty thousand, six hundred eighty-five".