13102011031009 has 2 divisors, whose sum is σ = 13102011031010. Its totient is φ = 13102011031008.

The previous prime is 13102011031007. The next prime is 13102011031033. The reversal of 13102011031009 is 90013011020131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7475494198225 + 5626516832784 = 2734135^2 + 2372028^2 .

It is a cyclic number.

It is not a de Polignac number, because 13102011031009 - 2¹ = 13102011031007 is a prime.

Together with 13102011031007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13102011031001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6551005515504 + 6551005515505.

It is an arithmetic number, because the mean of its divisors is an integer number (6551005515505).

Almost surely, 2^{13102011031009} is an apocalyptic number.

It is an amenable number.

13102011031009 is a deficient number, since it is larger than the sum of its proper divisors (1).

13102011031009 is an equidigital number, since it uses as much as digits as its factorization.

13102011031009 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 22.

The spelling of 13102011031009 in words is "thirteen trillion, one hundred two billion, eleven million, thirty-one thousand, nine".