344315321 has 16 divisors (see below), whose sum is σ = 415320960. Its totient is φ = 278847360.

The previous prime is 344315311. The next prime is 344315329. The reversal of 344315321 is 123513443.

It is a cyclic number.

It is not a de Polignac number, because 344315321 - 2¹⁰ = 344314297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344315329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49541 + ... + 56061.

It is an arithmetic number, because the mean of its divisors is an integer number (25957560).

Almost surely, 2^344315321 is an apocalyptic number.

It is an amenable number.

344315321 is a deficient number, since it is larger than the sum of its proper divisors (71005639).

344315321 is a wasteful number, since it uses less digits than its factorization.

344315321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6944.

The product of its digits is 4320, while the sum is 26.

The square root of 344315321 is about 18555.7355284020. The cubic root of 344315321 is about 700.8936348717.

Adding to 344315321 its reverse (123513443), we get a palindrome (467828764).

The spelling of 344315321 in words is "three hundred forty-four million, three hundred fifteen thousand, three hundred twenty-one".