1313303002373 has 2 divisors, whose sum is σ = 1313303002374. Its totient is φ = 1313303002372.

The previous prime is 1313303002357. The next prime is 1313303002387. The reversal of 1313303002373 is 3732003033131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1284103711489 + 29199290884 = 1133183^2 + 170878^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313303002373 - 2⁴ = 1313303002357 is a prime.

It is a super-2 number, since 2×1313303002373² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313303002393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656651501186 + 656651501187.

It is an arithmetic number, because the mean of its divisors is an integer number (656651501187).

Almost surely, 2^{1313303002373} is an apocalyptic number.

It is an amenable number.

1313303002373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313303002373 is an equidigital number, since it uses as much as digits as its factorization.

1313303002373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 29.

The spelling of 1313303002373 in words is "one trillion, three hundred thirteen billion, three hundred three million, two thousand, three hundred seventy-three".