304244013321 has 12 divisors (see below), whose sum is σ = 439894012740. Its totient is φ = 202630678560.

The previous prime is 304244013299. The next prime is 304244013323. The reversal of 304244013321 is 123310442403.

304244013321 is a `hidden beast` number, since 30 + 42 + 440 + 133 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 260445894921 + 43798118400 = 510339^2 + 209280^2 .

It is not a de Polignac number, because 304244013321 - 2²⁷ = 304109795593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (304244013323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16545606 + ... + 16563983.

It is an arithmetic number, because the mean of its divisors is an integer number (36657834395).

Almost surely, 2^304244013321 is an apocalyptic number.

It is an amenable number.

304244013321 is a deficient number, since it is larger than the sum of its proper divisors (135649999419).

304244013321 is a wasteful number, since it uses less digits than its factorization.

304244013321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33110616 (or 33110613 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 304244013321 its reverse (123310442403), we get a palindrome (427554455724).

The spelling of 304244013321 in words is "three hundred four billion, two hundred forty-four million, thirteen thousand, three hundred twenty-one".