331231113212 has 12 divisors (see below), whose sum is σ = 580641938520. Its totient is φ = 165333416496.

The previous prime is 331231113209. The next prime is 331231113223. The reversal of 331231113212 is 212311132133.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70532387 + ... + 70537082.

It is an arithmetic number, because the mean of its divisors is an integer number (48386828210).

Almost surely, 2^331231113212 is an apocalyptic number.

It is an amenable number.

331231113212 is a deficient number, since it is larger than the sum of its proper divisors (249410825308).

331231113212 is a wasteful number, since it uses less digits than its factorization.

331231113212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141070060 (or 141070058 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

Adding to 331231113212 its reverse (212311132133), we get a palindrome (543542245345).

The spelling of 331231113212 in words is "three hundred thirty-one billion, two hundred thirty-one million, one hundred thirteen thousand, two hundred twelve".