2131203311330 has 32 divisors (see below), whose sum is σ = 3865692999168. Its totient is φ = 845940110400.

The previous prime is 2131203311323. The next prime is 2131203311333. The reversal of 2131203311330 is 331133021312.

It is a junction number, because it is equal to n+sod(n) for n = 2131203311296 and 2131203311305.

It is not an unprimeable number, because it can be changed into a prime (2131203311333) 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, 433526 + ... + 2109585.

It is an arithmetic number, because the mean of its divisors is an integer number (120802906224).

Almost surely, 2^{2131203311330} is an apocalyptic number.

2131203311330 is a deficient number, since it is larger than the sum of its proper divisors (1734489687838).

2131203311330 is a wasteful number, since it uses less digits than its factorization.

2131203311330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543762.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 2131203311330 its reverse (331133021312), we get a palindrome (2462336332642).

The spelling of 2131203311330 in words is "two trillion, one hundred thirty-one billion, two hundred three million, three hundred eleven thousand, three hundred thirty".