317319617 has 2 divisors, whose sum is σ = 317319618. Its totient is φ = 317319616.

The previous prime is 317319593. The next prime is 317319643. The reversal of 317319617 is 716913713.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226231681 + 91087936 = 15041^2 + 9544^2 .

It is a cyclic number.

It is not a de Polignac number, because 317319617 - 2⁶ = 317319553 is a prime.

It is not a weakly prime, because it can be changed into another prime (317319647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158659808 + 158659809.

It is an arithmetic number, because the mean of its divisors is an integer number (158659809).

Almost surely, 2^317319617 is an apocalyptic number.

It is an amenable number.

317319617 is a deficient number, since it is larger than the sum of its proper divisors (1).

317319617 is an equidigital number, since it uses as much as digits as its factorization.

317319617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23814, while the sum is 38.

The square root of 317319617 is about 17813.4672930342. The cubic root of 317319617 is about 682.0752755581.

The spelling of 317319617 in words is "three hundred seventeen million, three hundred nineteen thousand, six hundred seventeen".