1330201321 has 2 divisors, whose sum is σ = 1330201322. Its totient is φ = 1330201320.

The previous prime is 1330201247. The next prime is 1330201333. The reversal of 1330201321 is 1231020331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 989983296 + 340218025 = 31464^2 + 18445^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330201321 - 2¹⁹ = 1329677033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1330201295 and 1330201304.

It is not a weakly prime, because it can be changed into another prime (1330201121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665100660 + 665100661.

It is an arithmetic number, because the mean of its divisors is an integer number (665100661).

Almost surely, 2^1330201321 is an apocalyptic number.

It is an amenable number.

1330201321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330201321 is an equidigital number, since it uses as much as digits as its factorization.

1330201321 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1330201321 is about 36471.9251068545. The cubic root of 1330201321 is about 1099.7799342135.

Adding to 1330201321 its reverse (1231020331), we get a palindrome (2561221652).

The spelling of 1330201321 in words is "one billion, three hundred thirty million, two hundred one thousand, three hundred twenty-one".