320113239 has 8 divisors (see below), whose sum is σ = 429682800. Its totient is φ = 211976256.

The previous prime is 320113237. The next prime is 320113243. The reversal of 320113239 is 932311023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 320113239 - 2¹ = 320113237 is a prime.

It is a super-2 number, since 2×320113239² = 204944971566142242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320113231) 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 in 7 ways as a sum of consecutive naturals, for example, 357622 + ... + 358515.

It is an arithmetic number, because the mean of its divisors is an integer number (53710350).

Almost surely, 2^320113239 is an apocalyptic number.

320113239 is a deficient number, since it is larger than the sum of its proper divisors (109569561).

320113239 is a wasteful number, since it uses less digits than its factorization.

320113239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716289.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 320113239 is about 17891.7086663069. The cubic root of 320113239 is about 684.0710508082.

The spelling of 320113239 in words is "three hundred twenty million, one hundred thirteen thousand, two hundred thirty-nine".