31133233233112 has 16 divisors (see below), whose sum is σ = 58448055501360. Its totient is φ = 15547085099424.

The previous prime is 31133233233101. The next prime is 31133233233119. The reversal of 31133233233112 is 21133233233113.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31133233233119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2441432868 + ... + 2441445619.

It is an arithmetic number, because the mean of its divisors is an integer number (3653003468835).

Almost surely, 2^{31133233233112} is an apocalyptic number.

It is an amenable number.

31133233233112 is a deficient number, since it is larger than the sum of its proper divisors (27314822268248).

31133233233112 is a wasteful number, since it uses less digits than its factorization.

31133233233112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4882879290 (or 4882879286 counting only the distinct ones).

The product of its digits is 17496, while the sum is 31.

Adding to 31133233233112 its reverse (21133233233113), we get a palindrome (52266466466225).

Subtracting from 31133233233112 its reverse (21133233233113), we obtain a palindrome (9999999999999).

The spelling of 31133233233112 in words is "thirty-one trillion, one hundred thirty-three billion, two hundred thirty-three million, two hundred thirty-three thousand, one hundred twelve".