331000131023112 has 32 divisors (see below), whose sum is σ = 876176817415200. Its totient is φ = 103843178360064.

The previous prime is 331000131023101. The next prime is 331000131023167. The reversal of 331000131023112 is 211320131000133.

It is a happy number.

It is a super-2 number, since 2×331000131023112² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405637415062 + ... + 405637415877.

It is an arithmetic number, because the mean of its divisors is an integer number (27380525544225).

Almost surely, 2^{331000131023112} is an apocalyptic number.

It is an amenable number.

331000131023112 is an abundant number, since it is smaller than the sum of its proper divisors (545176686392088).

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

331000131023112 is a wasteful number, since it uses less digits than its factorization.

331000131023112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811274830965 (or 811274830961 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 331000131023112 its reverse (211320131000133), we get a palindrome (542320262023245).

The spelling of 331000131023112 in words is "three hundred thirty-one trillion, one hundred thirty-one million, twenty-three thousand, one hundred twelve".