30321332321053 has 2 divisors, whose sum is σ = 30321332321054. Its totient is φ = 30321332321052.

The previous prime is 30321332321029. The next prime is 30321332321153. The reversal of 30321332321053 is 35012323312303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20952572450404 + 9368759870649 = 4577398^2 + 3060843^2 .

It is an emirp because it is prime and its reverse (35012323312303) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30321332321053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30321332321153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15160666160526 + 15160666160527.

It is an arithmetic number, because the mean of its divisors is an integer number (15160666160527).

Almost surely, 2^{30321332321053} is an apocalyptic number.

It is an amenable number.

30321332321053 is a deficient number, since it is larger than the sum of its proper divisors (1).

30321332321053 is an equidigital number, since it uses as much as digits as its factorization.

30321332321053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 31.

Adding to 30321332321053 its reverse (35012323312303), we get a palindrome (65333655633356).

The spelling of 30321332321053 in words is "thirty trillion, three hundred twenty-one billion, three hundred thirty-two million, three hundred twenty-one thousand, fifty-three".