33133213133 has 4 divisors (see below), whose sum is σ = 33135088320. Its totient is φ = 33131337948.

The previous prime is 33133213093. The next prime is 33133213151. The reversal of 33133213133 is 33131233133.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33131233133 = 293 ⋅113075881.

It is a cyclic number.

It is not a de Polignac number, because 33133213133 - 2³² = 28838245837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33133213933) 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, 910835 + ... + 946512.

It is an arithmetic number, because the mean of its divisors is an integer number (8283772080).

Almost surely, 2^33133213133 is an apocalyptic number.

It is an amenable number.

33133213133 is a deficient number, since it is larger than the sum of its proper divisors (1875187).

33133213133 is a wasteful number, since it uses less digits than its factorization.

33133213133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875186.

The product of its digits is 4374, while the sum is 26.

Adding to 33133213133 its reverse (33131233133), we get a palindrome (66264446266).

The spelling of 33133213133 in words is "thirty-three billion, one hundred thirty-three million, two hundred thirteen thousand, one hundred thirty-three".