331312112 has 20 divisors (see below), whose sum is σ = 649132560. Its totient is φ = 163794048.

The previous prime is 331312109. The next prime is 331312129. The reversal of 331312112 is 211213133.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114908 + ... + 117755.

It is an arithmetic number, because the mean of its divisors is an integer number (32456628).

Almost surely, 2^331312112 is an apocalyptic number.

It is an amenable number.

331312112 is a deficient number, since it is larger than the sum of its proper divisors (317820448).

331312112 is a wasteful number, since it uses less digits than its factorization.

331312112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232760 (or 232754 counting only the distinct ones).

The product of its digits is 108, while the sum is 17.

The square root of 331312112 is about 18201.9809910900. The cubic root of 331312112 is about 691.9569955567.

Adding to 331312112 its reverse (211213133), we get a palindrome (542525245).

It can be divided in two parts, 3313121 and 12, that added together give a palindrome (3313133).

The spelling of 331312112 in words is "three hundred thirty-one million, three hundred twelve thousand, one hundred twelve".