42431036 has 12 divisors (see below), whose sum is σ = 75834528. Its totient is φ = 20764032.

The previous prime is 42431003. The next prime is 42431041. The reversal of 42431036 is 63013424.

It is a happy number.

42431036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 112661 + ... + 113036.

It is an arithmetic number, because the mean of its divisors is an integer number (6319544).

Almost surely, 2^42431036 is an apocalyptic number.

It is an amenable number.

42431036 is a deficient number, since it is larger than the sum of its proper divisors (33403492).

42431036 is a wasteful number, since it uses less digits than its factorization.

42431036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225748 (or 225746 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 42431036 is about 6513.9109603985. The cubic root of 42431036 is about 348.7877407631.

The spelling of 42431036 in words is "forty-two million, four hundred thirty-one thousand, thirty-six".