2131110443 has 48 divisors (see below), whose sum is σ = 2823387840. Its totient is φ = 1572130560.

The previous prime is 2131110413. The next prime is 2131110551. The reversal of 2131110443 is 3440111312.

It is not a de Polignac number, because 2131110443 - 2⁸ = 2131110187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2131110413) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1301021 + ... + 1302657.

It is an arithmetic number, because the mean of its divisors is an integer number (58820580).

Almost surely, 2^2131110443 is an apocalyptic number.

2131110443 is a deficient number, since it is larger than the sum of its proper divisors (692277397).

2131110443 is a wasteful number, since it uses less digits than its factorization.

2131110443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748 (or 1737 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2131110443 is about 46163.9517697521. The cubic root of 2131110443 is about 1286.8719038750.

Adding to 2131110443 its reverse (3440111312), we get a palindrome (5571221755).

The spelling of 2131110443 in words is "two billion, one hundred thirty-one million, one hundred ten thousand, four hundred forty-three".