317135617 has 2 divisors, whose sum is σ = 317135618. Its totient is φ = 317135616.

The previous prime is 317135603. The next prime is 317135627. The reversal of 317135617 is 716531713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171112561 + 146023056 = 13081^2 + 12084^2 .

It is an emirp because it is prime and its reverse (716531713) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 317135617 - 2¹¹ = 317133569 is a prime.

It is not a weakly prime, because it can be changed into another prime (317135627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158567808 + 158567809.

It is an arithmetic number, because the mean of its divisors is an integer number (158567809).

Almost surely, 2^317135617 is an apocalyptic number.

It is an amenable number.

317135617 is a deficient number, since it is larger than the sum of its proper divisors (1).

317135617 is an equidigital number, since it uses as much as digits as its factorization.

317135617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13230, while the sum is 34.

The square root of 317135617 is about 17808.3019123104. The cubic root of 317135617 is about 681.9434146945.

The spelling of 317135617 in words is "three hundred seventeen million, one hundred thirty-five thousand, six hundred seventeen".