344403113 has 2 divisors, whose sum is σ = 344403114. Its totient is φ = 344403112.

The previous prime is 344403109. The next prime is 344403151. The reversal of 344403113 is 311304443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 281803369 + 62599744 = 16787^2 + 7912^2 .

It is a cyclic number.

It is not a de Polignac number, because 344403113 - 2² = 344403109 is a prime.

It is a super-2 number, since 2×344403113² = 237227008488181538, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (344403613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172201556 + 172201557.

It is an arithmetic number, because the mean of its divisors is an integer number (172201557).

Almost surely, 2^344403113 is an apocalyptic number.

It is an amenable number.

344403113 is a deficient number, since it is larger than the sum of its proper divisors (1).

344403113 is an equidigital number, since it uses as much as digits as its factorization.

344403113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 344403113 is about 18558.1010073768. The cubic root of 344403113 is about 700.9532000641.

Adding to 344403113 its reverse (311304443), we get a palindrome (655707556).

The spelling of 344403113 in words is "three hundred forty-four million, four hundred three thousand, one hundred thirteen".