13431544005413 has 16 divisors (see below), whose sum is σ = 14046509481984. Its totient is φ = 12831960798720.

The previous prime is 13431544005409. The next prime is 13431544005463. The reversal of 13431544005413 is 31450044513431.

It is a cyclic number.

It is not a de Polignac number, because 13431544005413 - 2² = 13431544005409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13431544005463) 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, 14278133 + ... + 15189738.

It is an arithmetic number, because the mean of its divisors is an integer number (877906842624).

Almost surely, 2^{13431544005413} is an apocalyptic number.

It is an amenable number.

13431544005413 is a deficient number, since it is larger than the sum of its proper divisors (614965476571).

13431544005413 is a wasteful number, since it uses less digits than its factorization.

13431544005413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29468132.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 13431544005413 its reverse (31450044513431), we get a palindrome (44881588518844).

The spelling of 13431544005413 in words is "thirteen trillion, four hundred thirty-one billion, five hundred forty-four million, five thousand, four hundred thirteen".