13103122009 has 2 divisors, whose sum is σ = 13103122010. Its totient is φ = 13103122008.

The previous prime is 13103121991. The next prime is 13103122033. The reversal of 13103122009 is 90022130131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7077015625 + 6026106384 = 84125^2 + 77628^2 .

It is a cyclic number.

It is not a de Polignac number, because 13103122009 - 2¹⁹ = 13102597721 is a prime.

It is not a weakly prime, because it can be changed into another prime (13103122049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6551561004 + 6551561005.

It is an arithmetic number, because the mean of its divisors is an integer number (6551561005).

Almost surely, 2^13103122009 is an apocalyptic number.

It is an amenable number.

13103122009 is a deficient number, since it is larger than the sum of its proper divisors (1).

13103122009 is an equidigital number, since it uses as much as digits as its factorization.

13103122009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 13103122009 in words is "thirteen billion, one hundred three million, one hundred twenty-two thousand, nine".