42535540231 has 16 divisors (see below), whose sum is σ = 44037504000. Its totient is φ = 41041915200.

The previous prime is 42535540207. The next prime is 42535540237. The reversal of 42535540231 is 13204553524.

42535540231 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 42535540231 - 2⁹ = 42535539719 is a prime.

It is a super-2 number, since 2×42535540231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42535540237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20263620 + ... + 20265718.

It is an arithmetic number, because the mean of its divisors is an integer number (2752344000).

Almost surely, 2^42535540231 is an apocalyptic number.

42535540231 is a deficient number, since it is larger than the sum of its proper divisors (1501963769).

42535540231 is a wasteful number, since it uses less digits than its factorization.

42535540231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3750.

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 42535540231 in words is "forty-two billion, five hundred thirty-five million, five hundred forty thousand, two hundred thirty-one".