344242313 has 2 divisors, whose sum is σ = 344242314. Its totient is φ = 344242312.

The previous prime is 344242307. The next prime is 344242343. The reversal of 344242313 is 313242443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233845264 + 110397049 = 15292^2 + 10507^2 .

It is a cyclic number.

It is not a de Polignac number, because 344242313 - 2²⁴ = 327465097 is a prime.

It is not a weakly prime, because it can be changed into another prime (344242343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172121156 + 172121157.

It is an arithmetic number, because the mean of its divisors is an integer number (172121157).

Almost surely, 2^344242313 is an apocalyptic number.

It is an amenable number.

344242313 is a deficient number, since it is larger than the sum of its proper divisors (1).

344242313 is an equidigital number, since it uses as much as digits as its factorization.

344242313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 26.

The square root of 344242313 is about 18553.7681617509. The cubic root of 344242313 is about 700.8440926290.

Adding to 344242313 its reverse (313242443), we get a palindrome (657484756).

The spelling of 344242313 in words is "three hundred forty-four million, two hundred forty-two thousand, three hundred thirteen".