331046012 has 24 divisors (see below), whose sum is σ = 634351872. Its totient is φ = 149914800.

The previous prime is 331046011. The next prime is 331046029. The reversal of 331046012 is 210640133.

It is a super-2 number, since 2×331046012² = 219182924122208288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331046011) 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, 1958 + ... + 25805.

It is an arithmetic number, because the mean of its divisors is an integer number (26431328).

Almost surely, 2^331046012 is an apocalyptic number.

It is an amenable number.

331046012 is a deficient number, since it is larger than the sum of its proper divisors (303305860).

331046012 is a wasteful number, since it uses less digits than its factorization.

331046012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28049 (or 28047 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 331046012 is about 18194.6698788409. The cubic root of 331046012 is about 691.7716928691.

Adding to 331046012 its reverse (210640133), we get a palindrome (541686145).

The spelling of 331046012 in words is "three hundred thirty-one million, forty-six thousand, twelve".