331310112212 has 12 divisors (see below), whose sum is σ = 599785548180. Its totient is φ = 159942812736.

The previous prime is 331310112179. The next prime is 331310112271. The reversal of 331310112212 is 212211013133.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 157732888336 + 173577223876 = 397156^2 + 416626^2 .

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, 1428060713 + ... + 1428060944.

It is an arithmetic number, because the mean of its divisors is an integer number (49982129015).

Almost surely, 2^331310112212 is an apocalyptic number.

It is an amenable number.

331310112212 is a deficient number, since it is larger than the sum of its proper divisors (268475435968).

331310112212 is a wasteful number, since it uses less digits than its factorization.

331310112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2856121690 (or 2856121688 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 331310112212 its reverse (212211013133), we get a palindrome (543521125345).

The spelling of 331310112212 in words is "three hundred thirty-one billion, three hundred ten million, one hundred twelve thousand, two hundred twelve".