344304133 has 2 divisors, whose sum is σ = 344304134. Its totient is φ = 344304132.

The previous prime is 344304131. The next prime is 344304137. The reversal of 344304133 is 331403443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 323208484 + 21095649 = 17978^2 + 4593^2 .

It is a cyclic number.

It is not a de Polignac number, because 344304133 - 2¹ = 344304131 is a prime.

Together with 344304131, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 344304098 and 344304107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344304131) 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, 172152066 + 172152067.

It is an arithmetic number, because the mean of its divisors is an integer number (172152067).

Almost surely, 2^344304133 is an apocalyptic number.

It is an amenable number.

344304133 is a deficient number, since it is larger than the sum of its proper divisors (1).

344304133 is an equidigital number, since it uses as much as digits as its factorization.

344304133 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 25.

The square root of 344304133 is about 18555.4340558231. The cubic root of 344304133 is about 700.8860433004.

Adding to 344304133 its reverse (331403443), we get a palindrome (675707576).

The spelling of 344304133 in words is "three hundred forty-four million, three hundred four thousand, one hundred thirty-three".