43331042 has 4 divisors (see below), whose sum is σ = 64996566. Its totient is φ = 21665520.

The previous prime is 43331027. The next prime is 43331053. The reversal of 43331042 is 24013334.

43331042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28206721 + 15124321 = 5311^2 + 3889^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10832759 + ... + 10832762.

Almost surely, 2^43331042 is an apocalyptic number.

43331042 is a deficient number, since it is larger than the sum of its proper divisors (21665524).

43331042 is a wasteful number, since it uses less digits than its factorization.

43331042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21665523.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 43331042 is about 6582.6318444829. The cubic root of 43331042 is about 351.2365566888.

Adding to 43331042 its reverse (24013334), we get a palindrome (67344376).

The spelling of 43331042 in words is "forty-three million, three hundred thirty-one thousand, forty-two".