42016328931 has 16 divisors (see below), whose sum is σ = 56310422400. Its totient is φ = 27866670720.

The previous prime is 42016328923. The next prime is 42016328933. The reversal of 42016328931 is 13982361024.

42016328931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42016328931 - 2³ = 42016328923 is a prime.

It is a super-3 number, since 3×42016328931³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 42016328931.

It is not an unprimeable number, because it can be changed into a prime (42016328933) 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, 1696171 + ... + 1720763.

It is an arithmetic number, because the mean of its divisors is an integer number (3519401400).

Almost surely, 2^42016328931 is an apocalyptic number.

42016328931 is a deficient number, since it is larger than the sum of its proper divisors (14294093469).

42016328931 is a wasteful number, since it uses less digits than its factorization.

42016328931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27506.

The product of its (nonzero) digits is 62208, while the sum is 39.

Adding to 42016328931 its reverse (13982361024), we get a palindrome (55998689955).

The spelling of 42016328931 in words is "forty-two billion, sixteen million, three hundred twenty-eight thousand, nine hundred thirty-one".