13343112173 has 2 divisors, whose sum is σ = 13343112174. Its totient is φ = 13343112172.

The previous prime is 13343112169. The next prime is 13343112257. The reversal of 13343112173 is 37121134331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12804732964 + 538379209 = 113158^2 + 23203^2 .

It is a cyclic number.

It is not a de Polignac number, because 13343112173 - 2² = 13343112169 is a prime.

It is a super-2 number, since 2×13343112173² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13343112073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6671556086 + 6671556087.

It is an arithmetic number, because the mean of its divisors is an integer number (6671556087).

Almost surely, 2^13343112173 is an apocalyptic number.

It is an amenable number.

13343112173 is a deficient number, since it is larger than the sum of its proper divisors (1).

13343112173 is an equidigital number, since it uses as much as digits as its factorization.

13343112173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 29.

The spelling of 13343112173 in words is "thirteen billion, three hundred forty-three million, one hundred twelve thousand, one hundred seventy-three".