42002431022 has 8 divisors (see below), whose sum is σ = 63193990872. Its totient is φ = 20937767400.

The previous prime is 42002431013. The next prime is 42002431027. The reversal of 42002431022 is 22013420024.

42002431022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 42002430985 and 42002431003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42002431027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31723229 + ... + 31724552.

It is an arithmetic number, because the mean of its divisors is an integer number (7899248859).

Almost surely, 2^42002431022 is an apocalyptic number.

42002431022 is a deficient number, since it is larger than the sum of its proper divisors (21191559850).

42002431022 is a wasteful number, since it uses less digits than its factorization.

42002431022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63448114.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 42002431022 its reverse (22013420024), we get a palindrome (64015851046).

The spelling of 42002431022 in words is "forty-two billion, two million, four hundred thirty-one thousand, twenty-two".