319703413 has 2 divisors, whose sum is σ = 319703414. Its totient is φ = 319703412.

The previous prime is 319703399. The next prime is 319703429. The reversal of 319703413 is 314307913.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 277622244 + 42081169 = 16662^2 + 6487^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-319703413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (319703113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159851706 + 159851707.

It is an arithmetic number, because the mean of its divisors is an integer number (159851707).

Almost surely, 2^319703413 is an apocalyptic number.

It is an amenable number.

319703413 is a deficient number, since it is larger than the sum of its proper divisors (1).

319703413 is an equidigital number, since it uses as much as digits as its factorization.

319703413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 319703413 is about 17880.2520396106. The cubic root of 319703413 is about 683.7789980873.

The spelling of 319703413 in words is "three hundred nineteen million, seven hundred three thousand, four hundred thirteen".