1313021102273 has 2 divisors, whose sum is σ = 1313021102274. Its totient is φ = 1313021102272.

The previous prime is 1313021102221. The next prime is 1313021102279. The reversal of 1313021102273 is 3722011203131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 840931182529 + 472089919744 = 917023^2 + 687088^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313021102273 - 2¹² = 1313021098177 is a prime.

It is not a weakly prime, because it can be changed into another prime (1313021102279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656510551136 + 656510551137.

It is an arithmetic number, because the mean of its divisors is an integer number (656510551137).

Almost surely, 2^{1313021102273} is an apocalyptic number.

It is an amenable number.

1313021102273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313021102273 is an equidigital number, since it uses as much as digits as its factorization.

1313021102273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The spelling of 1313021102273 in words is "one trillion, three hundred thirteen billion, twenty-one million, one hundred two thousand, two hundred seventy-three".