319839713 has 2 divisors, whose sum is σ = 319839714. Its totient is φ = 319839712.

The previous prime is 319839703. The next prime is 319839733. The reversal of 319839713 is 317938913.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 265787809 + 54051904 = 16303^2 + 7352^2 .

It is a cyclic number.

It is not a de Polignac number, because 319839713 - 2⁴ = 319839697 is a prime.

It is not a weakly prime, because it can be changed into another prime (319839703) 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, 159919856 + 159919857.

It is an arithmetic number, because the mean of its divisors is an integer number (159919857).

Almost surely, 2^319839713 is an apocalyptic number.

It is an amenable number.

319839713 is a deficient number, since it is larger than the sum of its proper divisors (1).

319839713 is an equidigital number, since it uses as much as digits as its factorization.

319839713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 44.

The square root of 319839713 is about 17884.0631009846. The cubic root of 319839713 is about 683.8761567163.

The spelling of 319839713 in words is "three hundred nineteen million, eight hundred thirty-nine thousand, seven hundred thirteen".