42031022 has 16 divisors (see below), whose sum is σ = 68936832. Its totient is φ = 19060920.

The previous prime is 42030971. The next prime is 42031039. The reversal of 42031022 is 22013024.

42031022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42030988 and 42031006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8753 + ... + 12675.

It is an arithmetic number, because the mean of its divisors is an integer number (4308552).

Almost surely, 2^42031022 is an apocalyptic number.

42031022 is a deficient number, since it is larger than the sum of its proper divisors (26905810).

42031022 is a wasteful number, since it uses less digits than its factorization.

42031022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4423.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 42031022 is about 6483.1336558797. The cubic root of 42031022 is about 347.6882254095.

Adding to 42031022 its reverse (22013024), we get a palindrome (64044046).

It can be divided in two parts, 4203 and 1022, that added together give a palindrome (5225).

The spelling of 42031022 in words is "forty-two million, thirty-one thousand, twenty-two".