102320003321 has 2 divisors, whose sum is σ = 102320003322. Its totient is φ = 102320003320.

The previous prime is 102320003311. The next prime is 102320003407. The reversal of 102320003321 is 123300023201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88113985600 + 14206017721 = 296840^2 + 119189^2 .

It is a cyclic number.

It is not a de Polignac number, because 102320003321 - 2¹⁰ = 102320002297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102320003321.

It is not a weakly prime, because it can be changed into another prime (102320003311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51160001660 + 51160001661.

It is an arithmetic number, because the mean of its divisors is an integer number (51160001661).

Almost surely, 2^102320003321 is an apocalyptic number.

It is an amenable number.

102320003321 is a deficient number, since it is larger than the sum of its proper divisors (1).

102320003321 is an equidigital number, since it uses as much as digits as its factorization.

102320003321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 102320003321 its reverse (123300023201), we get a palindrome (225620026522).

The spelling of 102320003321 in words is "one hundred two billion, three hundred twenty million, three thousand, three hundred twenty-one".