33213213133 has 8 divisors (see below), whose sum is σ = 34619987552. Its totient is φ = 31833234576.

The previous prime is 33213213109. The next prime is 33213213149. The reversal of 33213213133 is 33131231233.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33213213133 - 2²¹ = 33211115981 is a prime.

It is a super-2 number, since 2×33213213133² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33213213098 and 33213213107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33213217133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6696435 + ... + 6701392.

It is an arithmetic number, because the mean of its divisors is an integer number (4327498444).

Almost surely, 2^33213213133 is an apocalyptic number.

It is an amenable number.

33213213133 is a deficient number, since it is larger than the sum of its proper divisors (1406774419).

33213213133 is a wasteful number, since it uses less digits than its factorization.

33213213133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13397931.

The product of its digits is 2916, while the sum is 25.

Adding to 33213213133 its reverse (33131231233), we get a palindrome (66344444366).

The spelling of 33213213133 in words is "thirty-three billion, two hundred thirteen million, two hundred thirteen thousand, one hundred thirty-three".