10304321 has 4 divisors (see below), whose sum is σ = 10316544. Its totient is φ = 10292100.

The previous prime is 10304311. The next prime is 10304341. The reversal of 10304321 is 12340301.

10304321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12340301 = 1091 ⋅11311.

It is a cyclic number.

It is not a de Polignac number, because 10304321 - 2⁶ = 10304257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10304296 and 10304305.

It is not an unprimeable number, because it can be changed into a prime (10304311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4745 + ... + 6566.

It is an arithmetic number, because the mean of its divisors is an integer number (2579136).

Almost surely, 2^10304321 is an apocalyptic number.

It is an amenable number.

10304321 is a deficient number, since it is larger than the sum of its proper divisors (12223).

10304321 is an equidigital number, since it uses as much as digits as its factorization.

10304321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12222.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 10304321 is about 3210.0344234914. The cubic root of 10304321 is about 217.6071326711.

Adding to 10304321 its reverse (12340301), we get a palindrome (22644622).

The spelling of 10304321 in words is "ten million, three hundred four thousand, three hundred twenty-one".