317316137 has 2 divisors, whose sum is σ = 317316138. Its totient is φ = 317316136.

The previous prime is 317316133. The next prime is 317316143. The reversal of 317316137 is 731613713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 266962921 + 50353216 = 16339^2 + 7096^2 .

It is a cyclic number.

It is not a de Polignac number, because 317316137 - 2² = 317316133 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (317316133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158658068 + 158658069.

It is an arithmetic number, because the mean of its divisors is an integer number (158658069).

Almost surely, 2^317316137 is an apocalyptic number.

It is an amenable number.

317316137 is a deficient number, since it is larger than the sum of its proper divisors (1).

317316137 is an equidigital number, since it uses as much as digits as its factorization.

317316137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7938, while the sum is 32.

The square root of 317316137 is about 17813.3696138603. The cubic root of 317316137 is about 682.0727821409.

The spelling of 317316137 in words is "three hundred seventeen million, three hundred sixteen thousand, one hundred thirty-seven".