317310137 has 2 divisors, whose sum is σ = 317310138. Its totient is φ = 317310136.

The previous prime is 317310131. The next prime is 317310157. The reversal of 317310137 is 731013713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232135696 + 85174441 = 15236^2 + 9229^2 .

It is an emirp because it is prime and its reverse (731013713) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 317310137 - 2⁴ = 317310121 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (317310131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158655068 + 158655069.

It is an arithmetic number, because the mean of its divisors is an integer number (158655069).

Almost surely, 2^317310137 is an apocalyptic number.

It is an amenable number.

317310137 is a deficient number, since it is larger than the sum of its proper divisors (1).

317310137 is an equidigital number, since it uses as much as digits as its factorization.

317310137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1323, while the sum is 26.

The square root of 317310137 is about 17813.2012002335. The cubic root of 317310137 is about 682.0684831028.

The spelling of 317310137 in words is "three hundred seventeen million, three hundred ten thousand, one hundred thirty-seven".