33011130133 has 4 divisors (see below), whose sum is σ = 33029898880. Its totient is φ = 32992361388.

The previous prime is 33011130109. The next prime is 33011130151. The reversal of 33011130133 is 33103111033.

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: 33103111033 = 130817 ⋅253049.

It is a cyclic number.

It is not a de Polignac number, because 33011130133 - 2⁵ = 33011130101 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 33011130133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33011136133) 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, 9381735 + ... + 9385252.

It is an arithmetic number, because the mean of its divisors is an integer number (8257474720).

Almost surely, 2^33011130133 is an apocalyptic number.

It is an amenable number.

33011130133 is a deficient number, since it is larger than the sum of its proper divisors (18768747).

33011130133 is a wasteful number, since it uses less digits than its factorization.

33011130133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18768746.

The product of its (nonzero) digits is 243, while the sum is 19.

Adding to 33011130133 its reverse (33103111033), we get a palindrome (66114241166).

The spelling of 33011130133 in words is "thirty-three billion, eleven million, one hundred thirty thousand, one hundred thirty-three".