320113015 has 8 divisors (see below), whose sum is σ = 385744320. Its totient is φ = 255017952.

The previous prime is 320112973. The next prime is 320113021. The reversal of 320113015 is 510311023.

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

It is a cyclic number.

It is not a de Polignac number, because 320113015 - 2⁷ = 320112887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320113015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132744 + ... + 135133.

It is an arithmetic number, because the mean of its divisors is an integer number (48218040).

Almost surely, 2^320113015 is an apocalyptic number.

320113015 is a deficient number, since it is larger than the sum of its proper divisors (65631305).

320113015 is a wasteful number, since it uses less digits than its factorization.

320113015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268121.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 320113015 is about 17891.7024064229. The cubic root of 320113015 is about 684.0708912480.

Adding to 320113015 its reverse (510311023), we get a palindrome (830424038).

The spelling of 320113015 in words is "three hundred twenty million, one hundred thirteen thousand, fifteen".