230331221047 has 2 divisors, whose sum is σ = 230331221048. Its totient is φ = 230331221046.

The previous prime is 230331221033. The next prime is 230331221089. The reversal of 230331221047 is 740122133032.

230331221047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230331221047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230331222047) 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, 115165610523 + 115165610524.

It is an arithmetic number, because the mean of its divisors is an integer number (115165610524).

Almost surely, 2^230331221047 is an apocalyptic number.

230331221047 is a deficient number, since it is larger than the sum of its proper divisors (1).

230331221047 is an equidigital number, since it uses as much as digits as its factorization.

230331221047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 28.

Adding to 230331221047 its reverse (740122133032), we get a palindrome (970453354079).

The spelling of 230331221047 in words is "two hundred thirty billion, three hundred thirty-one million, two hundred twenty-one thousand, forty-seven".