344110021 has 2 divisors, whose sum is σ = 344110022. Its totient is φ = 344110020.

The previous prime is 344110003. The next prime is 344110033. The reversal of 344110021 is 120011443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 301716900 + 42393121 = 17370^2 + 6511^2 .

It is a cyclic number.

It is not a de Polignac number, because 344110021 - 2¹⁷ = 343978949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 344109977 and 344110004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344110051) 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, 172055010 + 172055011.

It is an arithmetic number, because the mean of its divisors is an integer number (172055011).

Almost surely, 2^344110021 is an apocalyptic number.

It is an amenable number.

344110021 is a deficient number, since it is larger than the sum of its proper divisors (1).

344110021 is an equidigital number, since it uses as much as digits as its factorization.

344110021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 344110021 is about 18550.2027212643. The cubic root of 344110021 is about 700.7543032155.

Adding to 344110021 its reverse (120011443), we get a palindrome (464121464).

The spelling of 344110021 in words is "three hundred forty-four million, one hundred ten thousand, twenty-one".