43090938231 has 16 divisors (see below), whose sum is σ = 64011299328. Its totient is φ = 25560065600.

The previous prime is 43090938221. The next prime is 43090938251. The reversal of 43090938231 is 13283909034.

It is a cyclic number.

It is not a de Polignac number, because 43090938231 - 2⁷ = 43090938103 is a prime.

It is a super-2 number, since 2×43090938231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43090938221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13889790 + ... + 13892891.

It is an arithmetic number, because the mean of its divisors is an integer number (4000706208).

Almost surely, 2^43090938231 is an apocalyptic number.

43090938231 is a deficient number, since it is larger than the sum of its proper divisors (20920361097).

43090938231 is a wasteful number, since it uses less digits than its factorization.

43090938231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27782742.

The product of its (nonzero) digits is 139968, while the sum is 42.

The spelling of 43090938231 in words is "forty-three billion, ninety million, nine hundred thirty-eight thousand, two hundred thirty-one".