13031000209 has 2 divisors, whose sum is σ = 13031000210. Its totient is φ = 13031000208.

The previous prime is 13031000207. The next prime is 13031000219. The reversal of 13031000209 is 90200013031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7201219600 + 5829780609 = 84860^2 + 76353^2 .

It is a cyclic number.

It is not a de Polignac number, because 13031000209 - 2¹ = 13031000207 is a prime.

Together with 13031000207, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13031000201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6515500104 + 6515500105.

It is an arithmetic number, because the mean of its divisors is an integer number (6515500105).

Almost surely, 2^13031000209 is an apocalyptic number.

It is an amenable number.

13031000209 is a deficient number, since it is larger than the sum of its proper divisors (1).

13031000209 is an equidigital number, since it uses as much as digits as its factorization.

13031000209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 19.

The spelling of 13031000209 in words is "thirteen billion, thirty-one million, two hundred nine", and thus it is an aban number.