2131575116 has 24 divisors (see below), whose sum is σ = 4283549760. Its totient is φ = 917902800.

The previous prime is 2131575113. The next prime is 2131575119. The reversal of 2131575116 is 6115751312.

It is an interprime number because it is at equal distance from previous prime (2131575113) and next prime (2131575119).

It is a super-3 number, since 3×2131575116³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2131575113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1274030 + ... + 1275701.

It is an arithmetic number, because the mean of its divisors is an integer number (178481240).

Almost surely, 2^2131575116 is an apocalyptic number.

It is an amenable number.

2131575116 is an abundant number, since it is smaller than the sum of its proper divisors (2151974644).

2131575116 is a wasteful number, since it uses less digits than its factorization.

2131575116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549765 (or 2549763 counting only the distinct ones).

The product of its digits is 6300, while the sum is 32.

The square root of 2131575116 is about 46168.9843509688. The cubic root of 2131575116 is about 1286.9654280709.

The spelling of 2131575116 in words is "two billion, one hundred thirty-one million, five hundred seventy-five thousand, one hundred sixteen".