42043542402331 has 16 divisors (see below), whose sum is σ = 43692373267200. Its totient is φ = 40413014691840.

The previous prime is 42043542402319. The next prime is 42043542402359. The reversal of 42043542402331 is 13320424534024.

It is a happy number.

42043542402331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 42043542402331 - 2²⁹ = 42043005531419 is a prime.

It is a super-2 number, since 2×42043542402331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42043542402361) 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 15 ways as a sum of consecutive naturals, for example, 178808715 + ... + 179043691.

It is an arithmetic number, because the mean of its divisors is an integer number (2730773329200).

Almost surely, 2^{42043542402331} is an apocalyptic number.

42043542402331 is a deficient number, since it is larger than the sum of its proper divisors (1648830864869).

42043542402331 is a wasteful number, since it uses less digits than its factorization.

42043542402331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273894.

The product of its (nonzero) digits is 276480, while the sum is 37.

Adding to 42043542402331 its reverse (13320424534024), we get a palindrome (55363966936355).

The spelling of 42043542402331 in words is "forty-two trillion, forty-three billion, five hundred forty-two million, four hundred two thousand, three hundred thirty-one".