344120312 has 8 divisors (see below), whose sum is σ = 645225600. Its totient is φ = 172060152.

The previous prime is 344120311. The next prime is 344120333. The reversal of 344120312 is 213021443.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344120311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21507512 + ... + 21507527.

It is an arithmetic number, because the mean of its divisors is an integer number (80653200).

Almost surely, 2^344120312 is an apocalyptic number.

It is an amenable number.

344120312 is a deficient number, since it is larger than the sum of its proper divisors (301105288).

344120312 is a wasteful number, since it uses less digits than its factorization.

344120312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43015045 (or 43015041 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 344120312 is about 18550.4801016038. The cubic root of 344120312 is about 700.7612887630.

Adding to 344120312 its reverse (213021443), we get a palindrome (557141755).

The spelling of 344120312 in words is "three hundred forty-four million, one hundred twenty thousand, three hundred twelve".