317514217 has 4 divisors (see below), whose sum is σ = 317702800. Its totient is φ = 317325636.

The previous prime is 317514181. The next prime is 317514227. The reversal of 317514217 is 712415713.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 712415713 = 41 ⋅17375993.

It is a cyclic number.

It is not a de Polignac number, because 317514217 - 2¹⁵ = 317481449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317514227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91743 + ... + 95140.

It is an arithmetic number, because the mean of its divisors is an integer number (79425700).

Almost surely, 2^317514217 is an apocalyptic number.

It is an amenable number.

317514217 is a deficient number, since it is larger than the sum of its proper divisors (188583).

317514217 is a wasteful number, since it uses less digits than its factorization.

317514217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188582.

The product of its digits is 5880, while the sum is 31.

The square root of 317514217 is about 17818.9286153798. The cubic root of 317514217 is about 682.2146773029.

The spelling of 317514217 in words is "three hundred seventeen million, five hundred fourteen thousand, two hundred seventeen".