319674013 has 2 divisors, whose sum is σ = 319674014. Its totient is φ = 319674012.

The previous prime is 319673971. The next prime is 319674037. The reversal of 319674013 is 310476913.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176943204 + 142730809 = 13302^2 + 11947^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-319674013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 319674013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (319674713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159837006 + 159837007.

It is an arithmetic number, because the mean of its divisors is an integer number (159837007).

Almost surely, 2^319674013 is an apocalyptic number.

It is an amenable number.

319674013 is a deficient number, since it is larger than the sum of its proper divisors (1).

319674013 is an equidigital number, since it uses as much as digits as its factorization.

319674013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 319674013 is about 17879.4298846468. The cubic root of 319674013 is about 683.7580372863.

The spelling of 319674013 in words is "three hundred nineteen million, six hundred seventy-four thousand, thirteen".