43031132 has 24 divisors (see below), whose sum is σ = 78710016. Its totient is φ = 20564208.

The previous prime is 43031083. The next prime is 43031141. The reversal of 43031132 is 23113034.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 43031132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5423 + ... + 10745.

It is an arithmetic number, because the mean of its divisors is an integer number (3279584).

Almost surely, 2^43031132 is an apocalyptic number.

It is an amenable number.

43031132 is a deficient number, since it is larger than the sum of its proper divisors (35678884).

43031132 is a wasteful number, since it uses less digits than its factorization.

43031132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5417 (or 5415 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 43031132 is about 6559.8118875468. The cubic root of 43031132 is about 350.4243343157.

Adding to 43031132 its reverse (23113034), we get a palindrome (66144166).

The spelling of 43031132 in words is "forty-three million, thirty-one thousand, one hundred thirty-two".