320013019 has 2 divisors, whose sum is σ = 320013020. Its totient is φ = 320013018.

The previous prime is 320013017. The next prime is 320013061. The reversal of 320013019 is 910310023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320013019 - 2¹ = 320013017 is a prime.

It is a super-2 number, since 2×320013019² = 204816664658988722, which contains 22 as substring.

Together with 320013017, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 320012987 and 320013005.

It is not a weakly prime, because it can be changed into another prime (320013017) 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, 160006509 + 160006510.

It is an arithmetic number, because the mean of its divisors is an integer number (160006510).

Almost surely, 2^320013019 is an apocalyptic number.

320013019 is a deficient number, since it is larger than the sum of its proper divisors (1).

320013019 is an equidigital number, since it uses as much as digits as its factorization.

320013019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 320013019 is about 17888.9077084097. The cubic root of 320013019 is about 683.9996544519. Note that the first 3 decimals are identical.

The spelling of 320013019 in words is "three hundred twenty million, thirteen thousand, nineteen".