344143109 has 2 divisors, whose sum is σ = 344143110. Its totient is φ = 344143108.

The previous prime is 344143103. The next prime is 344143141. The reversal of 344143109 is 901341443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 308704900 + 35438209 = 17570^2 + 5953^2 .

It is an emirp because it is prime and its reverse (901341443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 344143109 - 2²⁴ = 327365893 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344143103) 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, 172071554 + 172071555.

It is an arithmetic number, because the mean of its divisors is an integer number (172071555).

Almost surely, 2^344143109 is an apocalyptic number.

It is an amenable number.

344143109 is a deficient number, since it is larger than the sum of its proper divisors (1).

344143109 is an equidigital number, since it uses as much as digits as its factorization.

344143109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 344143109 is about 18551.0945499181. The cubic root of 344143109 is about 700.7767629075.

The spelling of 344143109 in words is "three hundred forty-four million, one hundred forty-three thousand, one hundred nine".