42331030 has 16 divisors (see below), whose sum is σ = 87081120. Its totient is φ = 14513472.

The previous prime is 42331007. The next prime is 42331033. The reversal of 42331030 is 3013324.

It is a super-2 number, since 2×42331030² = 3583832201721800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42330995 and 42331013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42331033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302295 + ... + 302434.

It is an arithmetic number, because the mean of its divisors is an integer number (5442570).

Almost surely, 2^42331030 is an apocalyptic number.

42331030 is an abundant number, since it is smaller than the sum of its proper divisors (44750090).

42331030 is a wasteful number, since it uses less digits than its factorization.

42331030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604743.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 42331030 is about 6506.2300912279. The cubic root of 42331030 is about 348.5135051274.

Adding to 42331030 its reverse (3013324), we get a palindrome (45344354).

The spelling of 42331030 in words is "forty-two million, three hundred thirty-one thousand, thirty".