1311301003109 has 2 divisors, whose sum is σ = 1311301003110. Its totient is φ = 1311301003108.

The previous prime is 1311301003037. The next prime is 1311301003157. The reversal of 1311301003109 is 9013001031131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 779473562884 + 531827440225 = 882878^2 + 729265^2 .

It is a cyclic number.

It is not a de Polignac number, because 1311301003109 - 2²⁰ = 1311299954533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311301003709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655650501554 + 655650501555.

It is an arithmetic number, because the mean of its divisors is an integer number (655650501555).

Almost surely, 2^{1311301003109} is an apocalyptic number.

It is an amenable number.

1311301003109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311301003109 is an equidigital number, since it uses as much as digits as its factorization.

1311301003109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243, while the sum is 23.

The spelling of 1311301003109 in words is "one trillion, three hundred eleven billion, three hundred one million, three thousand, one hundred nine".