344110421 has 2 divisors, whose sum is σ = 344110422. Its totient is φ = 344110420.

The previous prime is 344110411. The next prime is 344110423. The reversal of 344110421 is 124011443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 344102500 + 7921 = 18550^2 + 89^2 .

It is a cyclic number.

It is not a de Polignac number, because 344110421 - 2⁶ = 344110357 is a prime.

Together with 344110423, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 344110393 and 344110402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344110423) 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, 172055210 + 172055211.

It is an arithmetic number, because the mean of its divisors is an integer number (172055211).

Almost surely, 2^344110421 is an apocalyptic number.

It is an amenable number.

344110421 is a deficient number, since it is larger than the sum of its proper divisors (1).

344110421 is an equidigital number, since it uses as much as digits as its factorization.

344110421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 344110421 is about 18550.2135028145. The cubic root of 344110421 is about 700.7545747388.

Adding to 344110421 its reverse (124011443), we get a palindrome (468121864).

The spelling of 344110421 in words is "three hundred forty-four million, one hundred ten thousand, four hundred twenty-one".