30051324539321 has 2 divisors, whose sum is σ = 30051324539322. Its totient is φ = 30051324539320.

The previous prime is 30051324539287. The next prime is 30051324539407. The reversal of 30051324539321 is 12393542315003.

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., 28430703882025 + 1620620657296 = 5332045^2 + 1273036^2 .

It is an emirp because it is prime and its reverse (12393542315003) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30051324539321 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (30051324599321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15025662269660 + 15025662269661.

It is an arithmetic number, because the mean of its divisors is an integer number (15025662269661).

Almost surely, 2^{30051324539321} is an apocalyptic number.

It is an amenable number.

30051324539321 is a deficient number, since it is larger than the sum of its proper divisors (1).

30051324539321 is an equidigital number, since it uses as much as digits as its factorization.

30051324539321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 41.

The spelling of 30051324539321 in words is "thirty trillion, fifty-one billion, three hundred twenty-four million, five hundred thirty-nine thousand, three hundred twenty-one".