331131111323012 has 96 divisors (see below), whose sum is σ = 781991786822400. Its totient is φ = 118483603499520.

The previous prime is 331131111322981. The next prime is 331131111323017. The reversal of 331131111323012 is 210323111131133.

It is a super-4 number, since 4×331131111323012⁴ (a number of 59 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (331131111323017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209109887 + ... + 210687462.

It is an arithmetic number, because the mean of its divisors is an integer number (8145747779400).

Almost surely, 2^{331131111323012} is an apocalyptic number.

It is an amenable number.

331131111323012 is an abundant number, since it is smaller than the sum of its proper divisors (450860675499388).

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

331131111323012 is a wasteful number, since it uses less digits than its factorization.

331131111323012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419797581 (or 419797579 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 26.

Adding to 331131111323012 its reverse (210323111131133), we get a palindrome (541454222454145).

The spelling of 331131111323012 in words is "three hundred thirty-one trillion, one hundred thirty-one billion, one hundred eleven million, three hundred twenty-three thousand, twelve".