2031133321112 has 32 divisors (see below), whose sum is σ = 4359093904800. Its totient is φ = 869152637184.

The previous prime is 2031133321111. The next prime is 2031133321123. The reversal of 2031133321112 is 2111233311302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031133321111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27735437 + ... + 27808572.

It is an arithmetic number, because the mean of its divisors is an integer number (136221684525).

Almost surely, 2^{2031133321112} is an apocalyptic number.

It is an amenable number.

2031133321112 is an abundant number, since it is smaller than the sum of its proper divisors (2327960583688).

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

2031133321112 is a wasteful number, since it uses less digits than its factorization.

2031133321112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55544675 (or 55544671 counting only the distinct ones).

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

Adding to 2031133321112 its reverse (2111233311302), we get a palindrome (4142366632414).

The spelling of 2031133321112 in words is "two trillion, thirty-one billion, one hundred thirty-three million, three hundred twenty-one thousand, one hundred twelve".