319013663 has 2 divisors, whose sum is σ = 319013664. Its totient is φ = 319013662.

The previous prime is 319013567. The next prime is 319013671. The reversal of 319013663 is 366310913.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 319013663 - 2⁸ = 319013407 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (319013693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159506831 + 159506832.

It is an arithmetic number, because the mean of its divisors is an integer number (159506832).

Almost surely, 2^319013663 is an apocalyptic number.

319013663 is a deficient number, since it is larger than the sum of its proper divisors (1).

319013663 is an equidigital number, since it uses as much as digits as its factorization.

319013663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 319013663 is about 17860.9535859651. The cubic root of 319013663 is about 683.2869001696.

The spelling of 319013663 in words is "three hundred nineteen million, thirteen thousand, six hundred sixty-three".