30221013247 has 2 divisors, whose sum is σ = 30221013248. Its totient is φ = 30221013246.

The previous prime is 30221013227. The next prime is 30221013257. The reversal of 30221013247 is 74231012203.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (74231012203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30221013247 - 2¹⁹ = 30220488959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30221013227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15110506623 + 15110506624.

It is an arithmetic number, because the mean of its divisors is an integer number (15110506624).

Almost surely, 2^30221013247 is an apocalyptic number.

30221013247 is a deficient number, since it is larger than the sum of its proper divisors (1).

30221013247 is an equidigital number, since it uses as much as digits as its factorization.

30221013247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The spelling of 30221013247 in words is "thirty billion, two hundred twenty-one million, thirteen thousand, two hundred forty-seven".