317116609 has 2 divisors, whose sum is σ = 317116610. Its totient is φ = 317116608.

The previous prime is 317116559. The next prime is 317116621. The reversal of 317116609 is 906611713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161366209 + 155750400 = 12703^2 + 12480^2 .

It is a cyclic number.

It is not a de Polignac number, because 317116609 - 2¹¹ = 317114561 is a prime.

It is not a weakly prime, because it can be changed into another prime (317116309) 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, 158558304 + 158558305.

It is an arithmetic number, because the mean of its divisors is an integer number (158558305).

Almost surely, 2^317116609 is an apocalyptic number.

It is an amenable number.

317116609 is a deficient number, since it is larger than the sum of its proper divisors (1).

317116609 is an equidigital number, since it uses as much as digits as its factorization.

317116609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 317116609 is about 17807.7682206390. The cubic root of 317116609 is about 681.9297899877.

The spelling of 317116609 in words is "three hundred seventeen million, one hundred sixteen thousand, six hundred nine".