42231000130021 has 4 divisors (see below), whose sum is σ = 42765569752000. Its totient is φ = 41696430508044.

The previous prime is 42231000130019. The next prime is 42231000130057. The reversal of 42231000130021 is 12003100013224.

It is a happy number.

42231000130021 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42231000130021 - 2¹ = 42231000130019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42231000137021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267284810871 + ... + 267284811028.

It is an arithmetic number, because the mean of its divisors is an integer number (10691392438000).

Almost surely, 2^{42231000130021} is an apocalyptic number.

It is an amenable number.

42231000130021 is a deficient number, since it is larger than the sum of its proper divisors (534569621979).

42231000130021 is an equidigital number, since it uses as much as digits as its factorization.

42231000130021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534569621978.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 42231000130021 its reverse (12003100013224), we get a palindrome (54234100143245).

The spelling of 42231000130021 in words is "forty-two trillion, two hundred thirty-one billion, one hundred thirty thousand, twenty-one".