10320321 has 8 divisors (see below), whose sum is σ = 15011424. Its totient is φ = 6254720.

The previous prime is 10320313. The next prime is 10320337. The reversal of 10320321 is 12302301.

It is a happy number.

10320321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10320321 - 2³ = 10320313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10320297 and 10320306.

It is not an unprimeable number, because it can be changed into a prime (10320341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156336 + ... + 156401.

It is an arithmetic number, because the mean of its divisors is an integer number (1876428).

Almost surely, 2^10320321 is an apocalyptic number.

10320321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10320321 is a deficient number, since it is larger than the sum of its proper divisors (4691103).

10320321 is a wasteful number, since it uses less digits than its factorization.

10320321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312751.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 10320321 is about 3212.5256419210. The cubic root of 10320321 is about 217.7197040089.

Adding to 10320321 its reverse (12302301), we get a palindrome (22622622).

The spelling of 10320321 in words is "ten million, three hundred twenty thousand, three hundred twenty-one".