317700137 has 2 divisors, whose sum is σ = 317700138. Its totient is φ = 317700136.

The previous prime is 317700109. The next prime is 317700151. The reversal of 317700137 is 731007713.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218418841 + 99281296 = 14779^2 + 9964^2 .

It is a cyclic number.

It is not a de Polignac number, because 317700137 - 2¹⁸ = 317437993 is a prime.

It is not a weakly prime, because it can be changed into another prime (317700107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158850068 + 158850069.

It is an arithmetic number, because the mean of its divisors is an integer number (158850069).

Almost surely, 2^317700137 is an apocalyptic number.

It is an amenable number.

317700137 is a deficient number, since it is larger than the sum of its proper divisors (1).

317700137 is an equidigital number, since it uses as much as digits as its factorization.

317700137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3087, while the sum is 29.

The square root of 317700137 is about 17824.1447761176. The cubic root of 317700137 is about 682.3478079341.

The spelling of 317700137 in words is "three hundred seventeen million, seven hundred thousand, one hundred thirty-seven".