317227613 has 2 divisors, whose sum is σ = 317227614. Its totient is φ = 317227612.

The previous prime is 317227609. The next prime is 317227621. The reversal of 317227613 is 316722713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237714724 + 79512889 = 15418^2 + 8917^2 .

It is a cyclic number.

It is not a de Polignac number, because 317227613 - 2² = 317227609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 317227613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317227643) 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, 158613806 + 158613807.

It is an arithmetic number, because the mean of its divisors is an integer number (158613807).

Almost surely, 2^317227613 is an apocalyptic number.

It is an amenable number.

317227613 is a deficient number, since it is larger than the sum of its proper divisors (1).

317227613 is an equidigital number, since it uses as much as digits as its factorization.

317227613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 32.

The square root of 317227613 is about 17810.8846776346. The cubic root of 317227613 is about 682.0093486333.

The spelling of 317227613 in words is "three hundred seventeen million, two hundred twenty-seven thousand, six hundred thirteen".