331132012 has 24 divisors (see below), whose sum is σ = 605719296. Its totient is φ = 158094288.

The previous prime is 331131953. The next prime is 331132033. The reversal of 331132012 is 210231133.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56743 + ... + 62305.

It is an arithmetic number, because the mean of its divisors is an integer number (25238304).

Almost surely, 2^331132012 is an apocalyptic number.

It is an amenable number.

331132012 is a deficient number, since it is larger than the sum of its proper divisors (274587284).

331132012 is a wasteful number, since it uses less digits than its factorization.

331132012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6237 (or 6235 counting only the distinct ones).

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

The square root of 331132012 is about 18197.0330548691. The cubic root of 331132012 is about 691.8315911032.

Adding to 331132012 its reverse (210231133), we get a palindrome (541363145).

The spelling of 331132012 in words is "three hundred thirty-one million, one hundred thirty-two thousand, twelve".