43431141 has 24 divisors (see below), whose sum is σ = 66407040. Its totient is φ = 25149696.

The previous prime is 43431137. The next prime is 43431151. The reversal of 43431141 is 14113434.

It is not a de Polignac number, because 43431141 - 2² = 43431137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43431121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6100 + ... + 11138.

It is an arithmetic number, because the mean of its divisors is an integer number (2766960).

Almost surely, 2^43431141 is an apocalyptic number.

It is an amenable number.

43431141 is a deficient number, since it is larger than the sum of its proper divisors (22975899).

43431141 is a wasteful number, since it uses less digits than its factorization.

43431141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5085 (or 5072 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 43431141 is about 6590.2307243374. The cubic root of 43431141 is about 351.5068124378.

Adding to 43431141 its reverse (14113434), we get a palindrome (57544575).

The spelling of 43431141 in words is "forty-three million, four hundred thirty-one thousand, one hundred forty-one".