10320013321 has 2 divisors, whose sum is σ = 10320013322. Its totient is φ = 10320013320.

The previous prime is 10320013307. The next prime is 10320013339. The reversal of 10320013321 is 12331002301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10188681721 + 131331600 = 100939^2 + 11460^2 .

It is a cyclic number.

It is not a de Polignac number, because 10320013321 - 2¹⁵ = 10319980553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10320013295 and 10320013304.

It is not a weakly prime, because it can be changed into another prime (10320010321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5160006660 + 5160006661.

It is an arithmetic number, because the mean of its divisors is an integer number (5160006661).

Almost surely, 2^10320013321 is an apocalyptic number.

It is an amenable number.

10320013321 is a deficient number, since it is larger than the sum of its proper divisors (1).

10320013321 is an equidigital number, since it uses as much as digits as its factorization.

10320013321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 10320013321 its reverse (12331002301), we get a palindrome (22651015622).

The spelling of 10320013321 in words is "ten billion, three hundred twenty million, thirteen thousand, three hundred twenty-one".