30345231323321 has 2 divisors, whose sum is σ = 30345231323322. Its totient is φ = 30345231323320.

The previous prime is 30345231323317. The next prime is 30345231323339. The reversal of 30345231323321 is 12332313254303.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19652730259600 + 10692501063721 = 4433140^2 + 3269939^2 .

It is a cyclic number.

It is not a de Polignac number, because 30345231323321 - 2² = 30345231323317 is a prime.

It is not a weakly prime, because it can be changed into another prime (30345231323821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15172615661660 + 15172615661661.

It is an arithmetic number, because the mean of its divisors is an integer number (15172615661661).

Almost surely, 2^{30345231323321} is an apocalyptic number.

It is an amenable number.

30345231323321 is a deficient number, since it is larger than the sum of its proper divisors (1).

30345231323321 is an equidigital number, since it uses as much as digits as its factorization.

30345231323321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 35.

Adding to 30345231323321 its reverse (12332313254303), we get a palindrome (42677544577624).

The spelling of 30345231323321 in words is "thirty trillion, three hundred forty-five billion, two hundred thirty-one million, three hundred twenty-three thousand, three hundred twenty-one".