30103230221 has 2 divisors, whose sum is σ = 30103230222. Its totient is φ = 30103230220.

The previous prime is 30103230193. The next prime is 30103230239. The reversal of 30103230221 is 12203230103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29417052196 + 686178025 = 171514^2 + 26195^2 .

It is an emirp because it is prime and its reverse (12203230103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30103230221 - 2¹⁴ = 30103213837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30103230221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30103230251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051615110 + 15051615111.

It is an arithmetic number, because the mean of its divisors is an integer number (15051615111).

Almost surely, 2^30103230221 is an apocalyptic number.

It is an amenable number.

30103230221 is a deficient number, since it is larger than the sum of its proper divisors (1).

30103230221 is an equidigital number, since it uses as much as digits as its factorization.

30103230221 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 17.

Adding to 30103230221 its reverse (12203230103), we get a palindrome (42306460324).

The spelling of 30103230221 in words is "thirty billion, one hundred three million, two hundred thirty thousand, two hundred twenty-one".