302030000221 has 2 divisors, whose sum is σ = 302030000222. Its totient is φ = 302030000220.

The previous prime is 302030000213. The next prime is 302030000263. The reversal of 302030000221 is 122000030203.

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., 300291944121 + 1738056100 = 547989^2 + 41690^2 .

It is a cyclic number.

It is not a de Polignac number, because 302030000221 - 2³ = 302030000213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (302030009221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151015000110 + 151015000111.

It is an arithmetic number, because the mean of its divisors is an integer number (151015000111).

Almost surely, 2^302030000221 is an apocalyptic number.

It is an amenable number.

302030000221 is a deficient number, since it is larger than the sum of its proper divisors (1).

302030000221 is an equidigital number, since it uses as much as digits as its factorization.

302030000221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 302030000221 its reverse (122000030203), we get a palindrome (424030030424).

The spelling of 302030000221 in words is "three hundred two billion, thirty million, two hundred twenty-one", and thus it is an aban number.