33143313243 has 4 divisors (see below), whose sum is σ = 44191084328. Its totient is φ = 22095542160.

The previous prime is 33143313199. The next prime is 33143313311. The reversal of 33143313243 is 34231334133.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 33143313243 - 2¹⁴ = 33143296859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33143313243.

It is not an unprimeable number, because it can be changed into a prime (33143313443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5523885538 + ... + 5523885543.

It is an arithmetic number, because the mean of its divisors is an integer number (11047771082).

Almost surely, 2^33143313243 is an apocalyptic number.

33143313243 is a deficient number, since it is larger than the sum of its proper divisors (11047771085).

33143313243 is a wasteful number, since it uses less digits than its factorization.

33143313243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11047771084.

The product of its digits is 23328, while the sum is 30.

Adding to 33143313243 its reverse (34231334133), we get a palindrome (67374647376).

The spelling of 33143313243 in words is "thirty-three billion, one hundred forty-three million, three hundred thirteen thousand, two hundred forty-three".