1313001223049 has 2 divisors, whose sum is σ = 1313001223050. Its totient is φ = 1313001223048.

The previous prime is 1313001223007. The next prime is 1313001223057. The reversal of 1313001223049 is 9403221003131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1092509933824 + 220491289225 = 1045232^2 + 469565^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313001223049 - 2²⁴ = 1312984445833 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1313001226049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656500611524 + 656500611525.

It is an arithmetic number, because the mean of its divisors is an integer number (656500611525).

Almost surely, 2^{1313001223049} is an apocalyptic number.

It is an amenable number.

1313001223049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313001223049 is an equidigital number, since it uses as much as digits as its factorization.

1313001223049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 1313001223049 in words is "one trillion, three hundred thirteen billion, one million, two hundred twenty-three thousand, forty-nine".