2131330230133 has 4 divisors (see below), whose sum is σ = 2295278709388. Its totient is φ = 1967381750880.

The previous prime is 2131330230097. The next prime is 2131330230157. The reversal of 2131330230133 is 3310320331312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1106876534724 + 1024453695409 = 1052082^2 + 1012153^2 .

It is not a de Polignac number, because 2131330230133 - 2²⁹ = 2130793359221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2131330230098 and 2131330230107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131330230173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81974239608 + ... + 81974239633.

It is an arithmetic number, because the mean of its divisors is an integer number (573819677347).

Almost surely, 2^{2131330230133} is an apocalyptic number.

It is an amenable number.

2131330230133 is a deficient number, since it is larger than the sum of its proper divisors (163948479255).

2131330230133 is a wasteful number, since it uses less digits than its factorization.

2131330230133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163948479254.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 2131330230133 its reverse (3310320331312), we get a palindrome (5441650561445).

The spelling of 2131330230133 in words is "two trillion, one hundred thirty-one billion, three hundred thirty million, two hundred thirty thousand, one hundred thirty-three".