1313203312093 has 2 divisors, whose sum is σ = 1313203312094. Its totient is φ = 1313203312092.

The previous prime is 1313203312073. The next prime is 1313203312121. The reversal of 1313203312093 is 3902133023131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1184836604004 + 128366708089 = 1088502^2 + 358283^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313203312093 - 2²⁹ = 1312666441181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313203312073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656601656046 + 656601656047.

It is an arithmetic number, because the mean of its divisors is an integer number (656601656047).

Almost surely, 2^{1313203312093} is an apocalyptic number.

It is an amenable number.

1313203312093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313203312093 is an equidigital number, since it uses as much as digits as its factorization.

1313203312093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 31.

The spelling of 1313203312093 in words is "one trillion, three hundred thirteen billion, two hundred three million, three hundred twelve thousand, ninety-three".