33130303232 has 72 divisors (see below), whose sum is σ = 71265000240. Its totient is φ = 15280865280.

The previous prime is 33130303231. The next prime is 33130303289. The reversal of 33130303232 is 23230303133.

It is a junction number, because it is equal to n+sod(n) for n = 33130303198 and 33130303207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33130303231) by changing a digit.

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, 8021744 + ... + 8025872.

It is an arithmetic number, because the mean of its divisors is an integer number (989791670).

Almost surely, 2^33130303232 is an apocalyptic number.

33130303232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33130303232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35632500120).

33130303232 is an abundant number, since it is smaller than the sum of its proper divisors (38134697008).

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

33130303232 is a wasteful number, since it uses less digits than its factorization.

33130303232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6569 (or 6555 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 23.

Adding to 33130303232 its reverse (23230303133), we get a palindrome (56360606365).

Subtracting from 33130303232 its reverse (23230303133), we obtain a palindrome (9900000099).

The spelling of 33130303232 in words is "thirty-three billion, one hundred thirty million, three hundred three thousand, two hundred thirty-two".