331133212 has 6 divisors (see below), whose sum is σ = 579483128. Its totient is φ = 165566604.

The previous prime is 331133203. The next prime is 331133237. The reversal of 331133212 is 212331133.

It is a self number, because there is not a number n which added to its sum of digits gives 331133212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41391648 + ... + 41391655.

Almost surely, 2^331133212 is an apocalyptic number.

It is an amenable number.

331133212 is a deficient number, since it is larger than the sum of its proper divisors (248349916).

331133212 is a wasteful number, since it uses less digits than its factorization.

331133212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82783307 (or 82783305 counting only the distinct ones).

The product of its digits is 324, while the sum is 19.

The square root of 331133212 is about 18197.0660272474. The cubic root of 331133212 is about 691.8324268192.

Adding to 331133212 its reverse (212331133), we get a palindrome (543464345).

The spelling of 331133212 in words is "three hundred thirty-one million, one hundred thirty-three thousand, two hundred twelve".