42331029 has 16 divisors (see below), whose sum is σ = 60907392. Its totient is φ = 25996608.

The previous prime is 42331007. The next prime is 42331033. The reversal of 42331029 is 92013324.

It is not a de Polignac number, because 42331029 - 2⁸ = 42330773 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42331099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27607 + ... + 29099.

It is an arithmetic number, because the mean of its divisors is an integer number (3806712).

Almost surely, 2^42331029 is an apocalyptic number.

It is an amenable number.

42331029 is a deficient number, since it is larger than the sum of its proper divisors (18576363).

42331029 is a wasteful number, since it uses less digits than its factorization.

42331029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 42331029 is about 6506.2300143785. The cubic root of 42331029 is about 348.5135023830.

The spelling of 42331029 in words is "forty-two million, three hundred thirty-one thousand, twenty-nine".