30323310211021 has 2 divisors, whose sum is σ = 30323310211022. Its totient is φ = 30323310211020.

The previous prime is 30323310211013. The next prime is 30323310211049. The reversal of 30323310211021 is 12011201332303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24118657655625 + 6204652555396 = 4911075^2 + 2490914^2 .

It is a cyclic number.

It is not a de Polignac number, because 30323310211021 - 2³ = 30323310211013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30323310210983 and 30323310211001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30323310211721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15161655105510 + 15161655105511.

It is an arithmetic number, because the mean of its divisors is an integer number (15161655105511).

Almost surely, 2^{30323310211021} is an apocalyptic number.

It is an amenable number.

30323310211021 is a deficient number, since it is larger than the sum of its proper divisors (1).

30323310211021 is an equidigital number, since it uses as much as digits as its factorization.

30323310211021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 30323310211021 its reverse (12011201332303), we get a palindrome (42334511543324).

The spelling of 30323310211021 in words is "thirty trillion, three hundred twenty-three billion, three hundred ten million, two hundred eleven thousand, twenty-one".