33112243230 has 128 divisors (see below), whose sum is σ = 87391789056. Its totient is φ = 7962854400.

The previous prime is 33112243223. The next prime is 33112243231. The reversal of 33112243230 is 3234221133.

It is a self number, because there is not a number n which added to its sum of digits gives 33112243230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33112243231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38636962 + ... + 38637818.

It is an arithmetic number, because the mean of its divisors is an integer number (682748352).

Almost surely, 2^33112243230 is an apocalyptic number.

33112243230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 33112243230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43695894528).

33112243230 is an abundant number, since it is smaller than the sum of its proper divisors (54279545826).

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

33112243230 is a wasteful number, since it uses less digits than its factorization.

33112243230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 33112243230 its reverse (3234221133), we get a palindrome (36346464363).

The spelling of 33112243230 in words is "thirty-three billion, one hundred twelve million, two hundred forty-three thousand, two hundred thirty".