343173013 has 2 divisors, whose sum is σ = 343173014. Its totient is φ = 343173012.

The previous prime is 343173001. The next prime is 343173029. The reversal of 343173013 is 310371343.

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., 222546724 + 120626289 = 14918^2 + 10983^2 .

It is an emirp because it is prime and its reverse (310371343) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343173013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343173043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171586506 + 171586507.

It is an arithmetic number, because the mean of its divisors is an integer number (171586507).

Almost surely, 2^343173013 is an apocalyptic number.

It is an amenable number.

343173013 is a deficient number, since it is larger than the sum of its proper divisors (1).

343173013 is an equidigital number, since it uses as much as digits as its factorization.

343173013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 343173013 is about 18524.9295005406. The cubic root of 343173013 is about 700.1176761349.

The spelling of 343173013 in words is "three hundred forty-three million, one hundred seventy-three thousand, thirteen".