43412231 has 4 divisors (see below), whose sum is σ = 43447200. Its totient is φ = 43377264.

The previous prime is 43412219. The next prime is 43412233. The reversal of 43412231 is 13221434.

43412231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43412231 - 2⁶ = 43412167 is a prime.

It is a super-2 number, since 2×43412231² = 3769243600794722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43412233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15551 + ... + 18128.

It is an arithmetic number, because the mean of its divisors is an integer number (10861800).

Almost surely, 2^43412231 is an apocalyptic number.

43412231 is a deficient number, since it is larger than the sum of its proper divisors (34969).

43412231 is a wasteful number, since it uses less digits than its factorization.

43412231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34968.

The product of its digits is 576, while the sum is 20.

The square root of 43412231 is about 6588.7958687457. The cubic root of 43412231 is about 351.4557894575.

Adding to 43412231 its reverse (13221434), we get a palindrome (56633665).

The spelling of 43412231 in words is "forty-three million, four hundred twelve thousand, two hundred thirty-one".