320031112 has 16 divisors (see below), whose sum is σ = 614013840. Its totient is φ = 156294096.

The previous prime is 320031097. The next prime is 320031169. The reversal of 320031112 is 211130023.

It is a junction number, because it is equal to n+sod(n) for n = 320031092 and 320031101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464818 + ... + 465505.

It is an arithmetic number, because the mean of its divisors is an integer number (38375865).

Almost surely, 2^320031112 is an apocalyptic number.

It is an amenable number.

320031112 is a deficient number, since it is larger than the sum of its proper divisors (293982728).

320031112 is a wasteful number, since it uses less digits than its factorization.

320031112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930372 (or 930368 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 320031112 is about 17889.4134056989. The cubic root of 320031112 is about 684.0125449405.

Adding to 320031112 its reverse (211130023), we get a palindrome (531161135).

The spelling of 320031112 in words is "three hundred twenty million, thirty-one thousand, one hundred twelve".