42331900 has 36 divisors (see below), whose sum is σ = 98929432. Its totient is φ = 15629760.

The previous prime is 42331879. The next prime is 42331901. The reversal of 42331900 is 913324.

It is a super-2 number, since 2×42331900² = 3583979515220000, which contains 22 as substring.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42331901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14982 + ... + 17581.

Almost surely, 2^42331900 is an apocalyptic number.

It is an amenable number.

42331900 is an abundant number, since it is smaller than the sum of its proper divisors (56597532).

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

42331900 is a wasteful number, since it uses less digits than its factorization.

42331900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32590 (or 32583 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 42331900 is about 6506.2969498786. The cubic root of 42331900 is about 348.5158926956.

It can be divided in two parts, 423 and 31900, that added together give a palindrome (32323).

The spelling of 42331900 in words is "forty-two million, three hundred thirty-one thousand, nine hundred".