320323113 has 32 divisors (see below), whose sum is σ = 518716800. Its totient is φ = 193752000.

The previous prime is 320323063. The next prime is 320323123. The reversal of 320323113 is 311323023.

320323113 is a `hidden beast` number, since 320 + 32 + 311 + 3 = 666.

It is not a de Polignac number, because 320323113 - 2⁹ = 320322601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320323123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245563 + ... + 246863.

It is an arithmetic number, because the mean of its divisors is an integer number (16209900).

Almost surely, 2^320323113 is an apocalyptic number.

320323113 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

320323113 is a deficient number, since it is larger than the sum of its proper divisors (198393687).

320323113 is a wasteful number, since it uses less digits than its factorization.

320323113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150 (or 2144 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 320323113 is about 17897.5728242687. The cubic root of 320323113 is about 684.2205160035.

Adding to 320323113 its reverse (311323023), we get a palindrome (631646136).

The spelling of 320323113 in words is "three hundred twenty million, three hundred twenty-three thousand, one hundred thirteen".