320312112 has 20 divisors (see below), whose sum is σ = 827473080. Its totient is φ = 106770688.

The previous prime is 320312077. The next prime is 320312177. The reversal of 320312112 is 211213023.

It is a junction number, because it is equal to n+sod(n) for n = 320312091 and 320312100.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3336537 + ... + 3336632.

It is an arithmetic number, because the mean of its divisors is an integer number (41373654).

Almost surely, 2^320312112 is an apocalyptic number.

It is an amenable number.

320312112 is an abundant number, since it is smaller than the sum of its proper divisors (507160968).

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

320312112 is a wasteful number, since it uses less digits than its factorization.

320312112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6673180 (or 6673174 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 320312112 is about 17897.2654894540. The cubic root of 320312112 is about 684.2126830834.

Adding to 320312112 its reverse (211213023), we get a palindrome (531525135).

It can be divided in two parts, 32031 and 2112, that added together give a palindrome (34143).

The spelling of 320312112 in words is "three hundred twenty million, three hundred twelve thousand, one hundred twelve".