317320495 has 16 divisors (see below), whose sum is σ = 393633792. Its totient is φ = 245314080.

The previous prime is 317320483. The next prime is 317320499. The reversal of 317320495 is 594023713.

It is not a de Polignac number, because 317320495 - 2¹⁷ = 317189423 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 317320495.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317320499) 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, 173154 + ... + 174976.

It is an arithmetic number, because the mean of its divisors is an integer number (24602112).

Almost surely, 2^317320495 is an apocalyptic number.

317320495 is a deficient number, since it is larger than the sum of its proper divisors (76313297).

317320495 is a wasteful number, since it uses less digits than its factorization.

317320495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 317320495 is about 17813.4919372929. The cubic root of 317320495 is about 682.0759046416.

The spelling of 317320495 in words is "three hundred seventeen million, three hundred twenty thousand, four hundred ninety-five".