43041231 has 6 divisors (see below), whose sum is σ = 62170680. Its totient is φ = 28694148.

The previous prime is 43041223. The next prime is 43041239. The reversal of 43041231 is 13214034.

43041231 is a `hidden beast` number, since 430 + 4 + 1 + 231 = 666.

It is an interprime number because it is at equal distance from previous prime (43041223) and next prime (43041239).

It is not a de Polignac number, because 43041231 - 2³ = 43041223 is a prime.

It is a super-2 number, since 2×43041231² = 3705095131990722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43041239) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2391171 + ... + 2391188.

It is an arithmetic number, because the mean of its divisors is an integer number (10361780).

Almost surely, 2^43041231 is an apocalyptic number.

43041231 is a deficient number, since it is larger than the sum of its proper divisors (19129449).

43041231 is a wasteful number, since it uses less digits than its factorization.

43041231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782365 (or 4782362 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 43041231 is about 6560.5816053152. The cubic root of 43041231 is about 350.4517459312.

Adding to 43041231 its reverse (13214034), we get a palindrome (56255265).

The spelling of 43041231 in words is "forty-three million, forty-one thousand, two hundred thirty-one".