344020312 has 16 divisors (see below), whose sum is σ = 648315360. Its totient is φ = 171136224.

The previous prime is 344020283. The next prime is 344020351. The reversal of 344020312 is 213020443.

It is a self number, because there is not a number n which added to its sum of digits gives 344020312.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 107568 + ... + 110719.

It is an arithmetic number, because the mean of its divisors is an integer number (40519710).

Almost surely, 2^344020312 is an apocalyptic number.

It is an amenable number.

344020312 is a deficient number, since it is larger than the sum of its proper divisors (304295048).

344020312 is a wasteful number, since it uses less digits than its factorization.

344020312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218490 (or 218486 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 344020312 is about 18547.7845577309. The cubic root of 344020312 is about 700.6934027015.

Adding to 344020312 its reverse (213020443), we get a palindrome (557040755).

The spelling of 344020312 in words is "three hundred forty-four million, twenty thousand, three hundred twelve".