320004319 has 2 divisors, whose sum is σ = 320004320. Its totient is φ = 320004318.

The previous prime is 320004287. The next prime is 320004337. The reversal of 320004319 is 913400023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320004319 - 2⁵ = 320004287 is a prime.

It is a super-2 number, since 2×320004319² = 204805528357307522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 320004319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320004389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160002159 + 160002160.

It is an arithmetic number, because the mean of its divisors is an integer number (160002160).

Almost surely, 2^320004319 is an apocalyptic number.

320004319 is a deficient number, since it is larger than the sum of its proper divisors (1).

320004319 is an equidigital number, since it uses as much as digits as its factorization.

320004319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 320004319 is about 17888.6645393109. The cubic root of 320004319 is about 683.9934559010.

The spelling of 320004319 in words is "three hundred twenty million, four thousand, three hundred nineteen".