2312111133 has 12 divisors (see below), whose sum is σ = 3484921440. Its totient is φ = 1474389576.

The previous prime is 2312111117. The next prime is 2312111141. The reversal of 2312111133 is 3311112132.

It is not a de Polignac number, because 2312111133 - 2⁴ = 2312111117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312111173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5584603 + ... + 5585016.

It is an arithmetic number, because the mean of its divisors is an integer number (290410120).

Almost surely, 2^2312111133 is an apocalyptic number.

2312111133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2312111133 is a deficient number, since it is larger than the sum of its proper divisors (1172810307).

2312111133 is a wasteful number, since it uses less digits than its factorization.

2312111133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11169648 (or 11169645 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 2312111133 is about 48084.4167376500. The cubic root of 2312111133 is about 1322.3189900479.

Adding to 2312111133 its reverse (3311112132), we get a palindrome (5623223265).

Subtracting 2312111133 from its reverse (3311112132), we obtain a palindrome (999000999).

The spelling of 2312111133 in words is "two billion, three hundred twelve million, one hundred eleven thousand, one hundred thirty-three".