13043431204 has 6 divisors (see below), whose sum is σ = 22826004614. Its totient is φ = 6521715600.

The previous prime is 13043431157. The next prime is 13043431217. The reversal of 13043431204 is 40213434031.

13043431204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12410405604 + 633025600 = 111402^2 + 25160^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1630428897 + ... + 1630428904.

Almost surely, 2^13043431204 is an apocalyptic number.

It is an amenable number.

13043431204 is a deficient number, since it is larger than the sum of its proper divisors (9782573410).

13043431204 is a wasteful number, since it uses less digits than its factorization.

13043431204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3260857805 (or 3260857803 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 13043431204 its reverse (40213434031), we get a palindrome (53256865235).

The spelling of 13043431204 in words is "thirteen billion, forty-three million, four hundred thirty-one thousand, two hundred four".