13431022103209 has 16 divisors (see below), whose sum is σ = 13536939873600. Its totient is φ = 13325321499840.

The previous prime is 13431022103207. The next prime is 13431022103243. The reversal of 13431022103209 is 90230122013431.

It is a happy number.

13431022103209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13431022103209 - 2¹ = 13431022103207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13431022103203) 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, 780728602 + ... + 780745804.

It is an arithmetic number, because the mean of its divisors is an integer number (846058742100).

Almost surely, 2^{13431022103209} is an apocalyptic number.

It is an amenable number.

13431022103209 is a deficient number, since it is larger than the sum of its proper divisors (105917770391).

13431022103209 is a wasteful number, since it uses less digits than its factorization.

13431022103209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23160.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 13431022103209 in words is "thirteen trillion, four hundred thirty-one billion, twenty-two million, one hundred three thousand, two hundred nine".