30447236227 has 2 divisors, whose sum is σ = 30447236228. Its totient is φ = 30447236226.

The previous prime is 30447236221. The next prime is 30447236231. The reversal of 30447236227 is 72263274403.

It is a strong prime.

It is an emirp because it is prime and its reverse (72263274403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30447236227 - 2³ = 30447236219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30447236227.

It is not a weakly prime, because it can be changed into another prime (30447236221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15223618113 + 15223618114.

It is an arithmetic number, because the mean of its divisors is an integer number (15223618114).

Almost surely, 2^30447236227 is an apocalyptic number.

30447236227 is a deficient number, since it is larger than the sum of its proper divisors (1).

30447236227 is an equidigital number, since it uses as much as digits as its factorization.

30447236227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 40.

The spelling of 30447236227 in words is "thirty billion, four hundred forty-seven million, two hundred thirty-six thousand, two hundred twenty-seven".