2131412331 has 16 divisors (see below), whose sum is σ = 2925375264. Its totient is φ = 1379748864.

The previous prime is 2131412299. The next prime is 2131412341. The reversal of 2131412331 is 1332141312.

It is not a de Polignac number, because 2131412331 - 2⁵ = 2131412299 is a prime.

It is a super-2 number, since 2×2131412331² = 9085837049477707122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2131412298 and 2131412307.

It is not an unprimeable number, because it can be changed into a prime (2131412341) 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, 53676 + ... + 84521.

It is an arithmetic number, because the mean of its divisors is an integer number (182835954).

Almost surely, 2^2131412331 is an apocalyptic number.

2131412331 is a deficient number, since it is larger than the sum of its proper divisors (793962933).

2131412331 is a wasteful number, since it uses less digits than its factorization.

2131412331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138350.

The product of its digits is 432, while the sum is 21.

The square root of 2131412331 is about 46167.2213913725. The cubic root of 2131412331 is about 1286.9326660696.

Adding to 2131412331 its reverse (1332141312), we get a palindrome (3463553643).

The spelling of 2131412331 in words is "two billion, one hundred thirty-one million, four hundred twelve thousand, three hundred thirty-one".