30343542221533 has 2 divisors, whose sum is σ = 30343542221534. Its totient is φ = 30343542221532.

The previous prime is 30343542221513. The next prime is 30343542221543. The reversal of 30343542221533 is 33512224534303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22524259716729 + 7819282504804 = 4745973^2 + 2796298^2 .

It is a cyclic number.

It is not a de Polignac number, because 30343542221533 - 2³³ = 30334952286941 is a prime.

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, 15171771110766 + 15171771110767.

It is an arithmetic number, because the mean of its divisors is an integer number (15171771110767).

Almost surely, 2^{30343542221533} is an apocalyptic number.

It is an amenable number.

30343542221533 is a deficient number, since it is larger than the sum of its proper divisors (1).

30343542221533 is an equidigital number, since it uses as much as digits as its factorization.

30343542221533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 40.

Adding to 30343542221533 its reverse (33512224534303), we get a palindrome (63855766755836).

The spelling of 30343542221533 in words is "thirty trillion, three hundred forty-three billion, five hundred forty-two million, two hundred twenty-one thousand, five hundred thirty-three".