33133021332 has 24 divisors (see below), whose sum is σ = 81379351200. Its totient is φ = 10463059296.

The previous prime is 33133021303. The next prime is 33133021349. The reversal of 33133021332 is 23312033133.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72659907 + ... + 72660362.

It is an arithmetic number, because the mean of its divisors is an integer number (3390806300).

Almost surely, 2^33133021332 is an apocalyptic number.

It is an amenable number.

33133021332 is an abundant number, since it is smaller than the sum of its proper divisors (48246329868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33133021332 is a wasteful number, since it uses less digits than its factorization.

33133021332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145320295 (or 145320293 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 33133021332 its reverse (23312033133), we get a palindrome (56445054465).

The spelling of 33133021332 in words is "thirty-three billion, one hundred thirty-three million, twenty-one thousand, three hundred thirty-two".