33011321232 has 40 divisors (see below), whose sum is σ = 85446852480. Its totient is φ = 10982147200.

The previous prime is 33011321207. The next prime is 33011321269. The reversal of 33011321232 is 23212311033.

It is a junction number, because it is equal to n+sod(n) for n = 33011321199 and 33011321208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651144 + ... + 700007.

It is an arithmetic number, because the mean of its divisors is an integer number (2136171312).

Almost surely, 2^33011321232 is an apocalyptic number.

It is an amenable number.

33011321232 is an abundant number, since it is smaller than the sum of its proper divisors (52435531248).

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

33011321232 is a wasteful number, since it uses less digits than its factorization.

33011321232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351671 (or 1351665 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 33011321232 its reverse (23212311033), we get a palindrome (56223632265).

The spelling of 33011321232 in words is "thirty-three billion, eleven million, three hundred twenty-one thousand, two hundred thirty-two".