43132131 has 12 divisors (see below), whose sum is σ = 71202352. Its totient is φ = 24646896.

The previous prime is 43132099. The next prime is 43132157. The reversal of 43132131 is 13123134.

It is not a de Polignac number, because 43132131 - 2⁵ = 43132099 is a prime.

It is a super-2 number, since 2×43132131² = 3720761449202322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43132171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342256 + ... + 342381.

Almost surely, 2^43132131 is an apocalyptic number.

43132131 is a deficient number, since it is larger than the sum of its proper divisors (28070221).

43132131 is a wasteful number, since it uses less digits than its factorization.

43132131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684650 (or 684647 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 43132131 is about 6567.5056908997. The cubic root of 43132131 is about 350.6982821271.

Adding to 43132131 its reverse (13123134), we get a palindrome (56255265).

The spelling of 43132131 in words is "forty-three million, one hundred thirty-two thousand, one hundred thirty-one".