30300032221 has 2 divisors, whose sum is σ = 30300032222. Its totient is φ = 30300032220.

The previous prime is 30300032201. The next prime is 30300032249. The reversal of 30300032221 is 12223000303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28311764121 + 1988268100 = 168261^2 + 44590^2 .

It is a cyclic number.

It is not a de Polignac number, because 30300032221 - 2²⁵ = 30266477789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30300032195 and 30300032204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30300032201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15150016110 + 15150016111.

It is an arithmetic number, because the mean of its divisors is an integer number (15150016111).

Almost surely, 2^30300032221 is an apocalyptic number.

It is an amenable number.

30300032221 is a deficient number, since it is larger than the sum of its proper divisors (1).

30300032221 is an equidigital number, since it uses as much as digits as its factorization.

30300032221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 30300032221 its reverse (12223000303), we get a palindrome (42523032524).

The spelling of 30300032221 in words is "thirty billion, three hundred million, thirty-two thousand, two hundred twenty-one".