30231208247 has 2 divisors, whose sum is σ = 30231208248. Its totient is φ = 30231208246.

The previous prime is 30231208223. The next prime is 30231208291. The reversal of 30231208247 is 74280213203.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30231208247 - 2³² = 25936240951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30231202247) 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, 15115604123 + 15115604124.

It is an arithmetic number, because the mean of its divisors is an integer number (15115604124).

Almost surely, 2^30231208247 is an apocalyptic number.

30231208247 is a deficient number, since it is larger than the sum of its proper divisors (1).

30231208247 is an equidigital number, since it uses as much as digits as its factorization.

30231208247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 32.

The spelling of 30231208247 in words is "thirty billion, two hundred thirty-one million, two hundred eight thousand, two hundred forty-seven".