344347313 has 2 divisors, whose sum is σ = 344347314. Its totient is φ = 344347312.

The previous prime is 344347303. The next prime is 344347337. The reversal of 344347313 is 313743443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213656689 + 130690624 = 14617^2 + 11432^2 .

It is a cyclic number.

It is not a de Polignac number, because 344347313 - 2²⁰ = 343298737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 344347313.

It is not a weakly prime, because it can be changed into another prime (344347303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172173656 + 172173657.

It is an arithmetic number, because the mean of its divisors is an integer number (172173657).

Almost surely, 2^344347313 is an apocalyptic number.

It is an amenable number.

344347313 is a deficient number, since it is larger than the sum of its proper divisors (1).

344347313 is an equidigital number, since it uses as much as digits as its factorization.

344347313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 32.

The square root of 344347313 is about 18556.5975598977. The cubic root of 344347313 is about 700.9153420041.

The spelling of 344347313 in words is "three hundred forty-four million, three hundred forty-seven thousand, three hundred thirteen".