1313247024173 has 6 divisors (see below), whose sum is σ = 1527654701646. Its totient is φ = 1125640306392.

The previous prime is 1313247024109. The next prime is 1313247024211. The reversal of 1313247024173 is 3714207423131.

It can be written as a sum of positive squares in only one way, i.e., 1064697912964 + 248549111209 = 1031842^2 + 498547^2 .

It is not a de Polignac number, because 1313247024173 - 2⁶ = 1313247024109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313247024073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13400479790 + ... + 13400479887.

It is an arithmetic number, because the mean of its divisors is an integer number (254609116941).

Almost surely, 2^{1313247024173} is an apocalyptic number.

It is an amenable number.

1313247024173 is a deficient number, since it is larger than the sum of its proper divisors (214407677473).

1313247024173 is an equidigital number, since it uses as much as digits as its factorization.

1313247024173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26800959691 (or 26800959684 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

The spelling of 1313247024173 in words is "one trillion, three hundred thirteen billion, two hundred forty-seven million, twenty-four thousand, one hundred seventy-three".