31112133233223 has 16 divisors (see below), whose sum is σ = 47410090856960. Its totient is φ = 17777939623776.

The previous prime is 31112133233221. The next prime is 31112133233297. The reversal of 31112133233223 is 32233233121113.

It is not a de Polignac number, because 31112133233223 - 2¹ = 31112133233221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31112133233221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16686283 + ... + 18456876.

It is an arithmetic number, because the mean of its divisors is an integer number (2963130678560).

Almost surely, 2^{31112133233223} is an apocalyptic number.

31112133233223 is a deficient number, since it is larger than the sum of its proper divisors (16297957623737).

31112133233223 is a wasteful number, since it uses less digits than its factorization.

31112133233223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35185326.

The product of its digits is 11664, while the sum is 30.

Adding to 31112133233223 its reverse (32233233121113), we get a palindrome (63345366354336).

It can be divided in two parts, 3111213 and 3233223, that added together give a palindrome (6344436).

The spelling of 31112133233223 in words is "thirty-one trillion, one hundred twelve billion, one hundred thirty-three million, two hundred thirty-three thousand, two hundred twenty-three".