2132443431 has 24 divisors (see below), whose sum is σ = 3144258000. Its totient is φ = 1392244992.

The previous prime is 2132443427. The next prime is 2132443447. The reversal of 2132443431 is 1343442312.

2132443431 is a `hidden beast` number, since 213 + 2 + 443 + 4 + 3 + 1 = 666.

2132443431 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2132443431 - 2² = 2132443427 is a prime.

It is a super-2 number, since 2×2132443431² = 9094629972830103522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2132443395 and 2132443404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132443421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135375 + ... + 150303.

It is an arithmetic number, because the mean of its divisors is an integer number (131010750).

Almost surely, 2^2132443431 is an apocalyptic number.

2132443431 is a deficient number, since it is larger than the sum of its proper divisors (1011814569).

2132443431 is a wasteful number, since it uses less digits than its factorization.

2132443431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15263 (or 15260 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 2132443431 is about 46178.3870549849. The cubic root of 2132443431 is about 1287.1401564008.

Adding to 2132443431 its reverse (1343442312), we get a palindrome (3475885743).

The spelling of 2132443431 in words is "two billion, one hundred thirty-two million, four hundred forty-three thousand, four hundred thirty-one".