2312131112203 has 16 divisors (see below), whose sum is σ = 2652715524096. Its totient is φ = 1994717672640.

The previous prime is 2312131112191. The next prime is 2312131112209. The reversal of 2312131112203 is 3022111312132.

It is not a de Polignac number, because 2312131112203 - 2⁵ = 2312131112171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2312131112209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35947626 + ... + 36011887.

It is an arithmetic number, because the mean of its divisors is an integer number (165794720256).

Almost surely, 2^{2312131112203} is an apocalyptic number.

2312131112203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2312131112203 is a deficient number, since it is larger than the sum of its proper divisors (340584411893).

2312131112203 is a wasteful number, since it uses less digits than its factorization.

2312131112203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71959674.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2312131112203 its reverse (3022111312132), we get a palindrome (5334242424335).

The spelling of 2312131112203 in words is "two trillion, three hundred twelve billion, one hundred thirty-one million, one hundred twelve thousand, two hundred three".