2131131023 has 16 divisors (see below), whose sum is σ = 2448391680. Its totient is φ = 1817103456.

The previous prime is 2131131001. The next prime is 2131131043. The reversal of 2131131023 is 3201311312.

It is not a de Polignac number, because 2131131023 - 2¹⁴ = 2131114639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2131130992 and 2131131010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131131043) 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, 1333661 + ... + 1335257.

It is an arithmetic number, because the mean of its divisors is an integer number (153024480).

Almost surely, 2^2131131023 is an apocalyptic number.

2131131023 is a deficient number, since it is larger than the sum of its proper divisors (317260657).

2131131023 is a wasteful number, since it uses less digits than its factorization.

2131131023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2131131023 is about 46164.1746704087. The cubic root of 2131131023 is about 1286.8760462754.

Adding to 2131131023 its reverse (3201311312), we get a palindrome (5332442335).

The spelling of 2131131023 in words is "two billion, one hundred thirty-one million, one hundred thirty-one thousand, twenty-three".