30343542221543 has 2 divisors, whose sum is σ = 30343542221544. Its totient is φ = 30343542221542.

The previous prime is 30343542221533. The next prime is 30343542221581. The reversal of 30343542221543 is 34512224534303.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30343542221543 - 2¹² = 30343542217447 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30343542221543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30343542221513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15171771110771 + 15171771110772.

It is an arithmetic number, because the mean of its divisors is an integer number (15171771110772).

Almost surely, 2^{30343542221543} is an apocalyptic number.

30343542221543 is a deficient number, since it is larger than the sum of its proper divisors (1).

30343542221543 is an equidigital number, since it uses as much as digits as its factorization.

30343542221543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1036800, while the sum is 41.

Adding to 30343542221543 its reverse (34512224534303), we get a palindrome (64855766755846).

The spelling of 30343542221543 in words is "thirty trillion, three hundred forty-three billion, five hundred forty-two million, two hundred twenty-one thousand, five hundred forty-three".