1343309173 has 2 divisors, whose sum is σ = 1343309174. Its totient is φ = 1343309172.

The previous prime is 1343309171. The next prime is 1343309237. The reversal of 1343309173 is 3719033431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 820135044 + 523174129 = 28638^2 + 22873^2 .

It is an emirp because it is prime and its reverse (3719033431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1343309173 - 2¹ = 1343309171 is a prime.

Together with 1343309171, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1343309171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671654586 + 671654587.

It is an arithmetic number, because the mean of its divisors is an integer number (671654587).

Almost surely, 2^1343309173 is an apocalyptic number.

It is an amenable number.

1343309173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343309173 is an equidigital number, since it uses as much as digits as its factorization.

1343309173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 34.

The square root of 1343309173 is about 36651.1824229451. The cubic root of 1343309173 is about 1103.3805568658.

The spelling of 1343309173 in words is "one billion, three hundred forty-three million, three hundred nine thousand, one hundred seventy-three".