33543212113 has 2 divisors, whose sum is σ = 33543212114. Its totient is φ = 33543212112.

The previous prime is 33543212089. The next prime is 33543212141. The reversal of 33543212113 is 31121234533.

It is an a-pointer prime, because the next prime (33543212141) can be obtained adding 33543212113 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17058449664 + 16484762449 = 130608^2 + 128393^2 .

It is an emirp because it is prime and its reverse (31121234533) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33543212113 - 2⁵ = 33543212081 is a prime.

It is a super-3 number, since 3×33543212113³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (33543213113) 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, 16771606056 + 16771606057.

It is an arithmetic number, because the mean of its divisors is an integer number (16771606057).

Almost surely, 2^33543212113 is an apocalyptic number.

It is an amenable number.

33543212113 is a deficient number, since it is larger than the sum of its proper divisors (1).

33543212113 is an equidigital number, since it uses as much as digits as its factorization.

33543212113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 28.

Adding to 33543212113 its reverse (31121234533), we get a palindrome (64664446646).

The spelling of 33543212113 in words is "thirty-three billion, five hundred forty-three million, two hundred twelve thousand, one hundred thirteen".