43941231 has 16 divisors (see below), whose sum is σ = 65201920. Its totient is φ = 29247480.

The previous prime is 43941223. The next prime is 43941239. The reversal of 43941231 is 13214934.

It is an interprime number because it is at equal distance from previous prime (43941223) and next prime (43941239).

It is not a de Polignac number, because 43941231 - 2³ = 43941223 is a prime.

It is a super-2 number, since 2×43941231² = 3861663563590722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43941195 and 43941204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43941239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27936 + ... + 29466.

It is an arithmetic number, because the mean of its divisors is an integer number (4075120).

Almost surely, 2^43941231 is an apocalyptic number.

43941231 is a deficient number, since it is larger than the sum of its proper divisors (21260689).

43941231 is a wasteful number, since it uses less digits than its factorization.

43941231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2603 (or 2597 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 43941231 is about 6628.8182204674. The cubic root of 43941231 is about 352.8775854403.

It can be divided in two parts, 4394 and 1231, that added together give a square (5625 = 75²).

The spelling of 43941231 in words is "forty-three million, nine hundred forty-one thousand, two hundred thirty-one".