2131320031203 has 64 divisors (see below), whose sum is σ = 3218770114560. Its totient is φ = 1243179705600.

The previous prime is 2131320031193. The next prime is 2131320031241. The reversal of 2131320031203 is 3021300231312.

It is not a de Polignac number, because 2131320031203 - 2¹² = 2131320027107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2131320031203.

It is not an unprimeable number, because it can be changed into a prime (2131320031273) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 113003988 + ... + 113022846.

It is an arithmetic number, because the mean of its divisors is an integer number (50293283040).

Almost surely, 2^{2131320031203} is an apocalyptic number.

2131320031203 is a deficient number, since it is larger than the sum of its proper divisors (1087450083357).

2131320031203 is a wasteful number, since it uses less digits than its factorization.

2131320031203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20080.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2131320031203 its reverse (3021300231312), we get a palindrome (5152620262515).

The spelling of 2131320031203 in words is "two trillion, one hundred thirty-one billion, three hundred twenty million, thirty-one thousand, two hundred three".