320313112 has 32 divisors (see below), whose sum is σ = 690001920. Its totient is φ = 136553760.

The previous prime is 320313073. The next prime is 320313113. The reversal of 320313112 is 211313023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320313113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4278 + ... + 25669.

It is an arithmetic number, because the mean of its divisors is an integer number (21562560).

Almost surely, 2^320313112 is an apocalyptic number.

It is an amenable number.

320313112 is an abundant number, since it is smaller than the sum of its proper divisors (369688808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320313112 is a wasteful number, since it uses less digits than its factorization.

320313112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30151 (or 30147 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 320313112 is about 17897.2934266609. The cubic root of 320313112 is about 684.2133951097.

Adding to 320313112 its reverse (211313023), we get a palindrome (531626135).

The spelling of 320313112 in words is "three hundred twenty million, three hundred thirteen thousand, one hundred twelve".