331042012 has 12 divisors (see below), whose sum is σ = 662084080. Its totient is φ = 141875136.

The previous prime is 331042001. The next prime is 331042021. The reversal of 331042012 is 210240133.

It is a happy number.

331042012 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5911437 + ... + 5911492.

Almost surely, 2^331042012 is an apocalyptic number.

It is an amenable number.

331042012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

331042012 is a wasteful number, since it uses less digits than its factorization.

331042012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11822940 (or 11822938 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 331042012 is about 18194.5599562067. The cubic root of 331042012 is about 691.7689066522.

Adding to 331042012 its reverse (210240133), we get a palindrome (541282145).

The spelling of 331042012 in words is "three hundred thirty-one million, forty-two thousand, twelve".