13031566434 has 24 divisors (see below), whose sum is σ = 28238326272. Its totient is φ = 4343353080.

The previous prime is 13031566433. The next prime is 13031566447. The reversal of 13031566434 is 43466513031.

13031566434 is a `hidden beast` number, since 1 + 3 + 0 + 3 + 1 + 5 + 6 + 643 + 4 = 666.

13031566434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13031566433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139267 + ... + 213209.

It is an arithmetic number, because the mean of its divisors is an integer number (1176596928).

Almost surely, 2^13031566434 is an apocalyptic number.

13031566434 is an abundant number, since it is smaller than the sum of its proper divisors (15206759838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13031566434 is a wasteful number, since it uses less digits than its factorization.

13031566434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83742 (or 83739 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 13031566434 in words is "thirteen billion, thirty-one million, five hundred sixty-six thousand, four hundred thirty-four".