319560313 has 2 divisors, whose sum is σ = 319560314. Its totient is φ = 319560312.

The previous prime is 319560301. The next prime is 319560323. The reversal of 319560313 is 313065913.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 289442169 + 30118144 = 17013^2 + 5488^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-319560313 is a prime.

It is equal to p_17252770 and since 319560313 and 17252770 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (319560323) 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, 159780156 + 159780157.

It is an arithmetic number, because the mean of its divisors is an integer number (159780157).

Almost surely, 2^319560313 is an apocalyptic number.

It is an amenable number.

319560313 is a deficient number, since it is larger than the sum of its proper divisors (1).

319560313 is an equidigital number, since it uses as much as digits as its factorization.

319560313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 319560313 is about 17876.2499702818. The cubic root of 319560313 is about 683.6769624991.

The spelling of 319560313 in words is "three hundred nineteen million, five hundred sixty thousand, three hundred thirteen".