13432204431 has 16 divisors (see below), whose sum is σ = 19902161920. Its totient is φ = 8953633080.

The previous prime is 13432204361. The next prime is 13432204439. The reversal of 13432204431 is 13440223431.

13432204431 is a `hidden beast` number, since 1 + 3 + 4 + 3 + 220 + 4 + 431 = 666.

13432204431 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 13432204431 - 2²¹ = 13430107279 is a prime.

It is a super-2 number, since 2×13432204431² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13432204395 and 13432204404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13432204439) 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 15 ways as a sum of consecutive naturals, for example, 211236 + ... + 267366.

It is an arithmetic number, because the mean of its divisors is an integer number (1243885120).

Almost surely, 2^13432204431 is an apocalyptic number.

13432204431 is a deficient number, since it is larger than the sum of its proper divisors (6469957489).

13432204431 is an equidigital number, since it uses as much as digits as its factorization.

13432204431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65003 (or 64997 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 13432204431 its reverse (13440223431), we get a palindrome (26872427862).

The spelling of 13432204431 in words is "thirteen billion, four hundred thirty-two million, two hundred four thousand, four hundred thirty-one".