1313030320949 has 2 divisors, whose sum is σ = 1313030320950. Its totient is φ = 1313030320948.

The previous prime is 1313030320891. The next prime is 1313030320957. The reversal of 1313030320949 is 9490230303131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 852192998449 + 460837322500 = 923143^2 + 678850^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313030320949 - 2⁴⁰ = 213518693173 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313030328949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656515160474 + 656515160475.

It is an arithmetic number, because the mean of its divisors is an integer number (656515160475).

Almost surely, 2^{1313030320949} is an apocalyptic number.

It is an amenable number.

1313030320949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313030320949 is an equidigital number, since it uses as much as digits as its factorization.

1313030320949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 38.

The spelling of 1313030320949 in words is "one trillion, three hundred thirteen billion, thirty million, three hundred twenty thousand, nine hundred forty-nine".