2321021332307 has 2 divisors, whose sum is σ = 2321021332308. Its totient is φ = 2321021332306.

The previous prime is 2321021332303. The next prime is 2321021332327. The reversal of 2321021332307 is 7032331201232.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2321021332307 - 2² = 2321021332303 is a prime.

It is a super-2 number, since 2×2321021332307² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2321021332307.

It is not a weakly prime, because it can be changed into another prime (2321021332303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160510666153 + 1160510666154.

It is an arithmetic number, because the mean of its divisors is an integer number (1160510666154).

Almost surely, 2^{2321021332307} is an apocalyptic number.

2321021332307 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321021332307 is an equidigital number, since it uses as much as digits as its factorization.

2321021332307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 29.

Adding to 2321021332307 its reverse (7032331201232), we get a palindrome (9353352533539).

The spelling of 2321021332307 in words is "two trillion, three hundred twenty-one billion, twenty-one million, three hundred thirty-two thousand, three hundred seven".