43031106 has 12 divisors (see below), whose sum is σ = 93234102. Its totient is φ = 14343696.

The previous prime is 43031083. The next prime is 43031141. The reversal of 43031106 is 60113034.

It can be written as a sum of positive squares in only one way, i.e., 27468081 + 15563025 = 5241^2 + 3945^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2390617 = 43031106 / (4 + 3 + 0 + 3 + 1 + 1 + 0 + 6).

It is a Curzon number.

It is a nialpdrome in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1195291 + ... + 1195326.

Almost surely, 2^43031106 is an apocalyptic number.

43031106 is an abundant number, since it is smaller than the sum of its proper divisors (50202996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43031106 is a wasteful number, since it uses less digits than its factorization.

43031106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390625 (or 2390622 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 43031106 is about 6559.8099057823. The cubic root of 43031106 is about 350.4242637386.

The spelling of 43031106 in words is "forty-three million, thirty-one thousand, one hundred six".