33113112 has 32 divisors (see below), whose sum is σ = 82939200. Its totient is φ = 11016864.

The previous prime is 33113111. The next prime is 33113131. The reversal of 33113112 is 21131133.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 33113091 and 33113100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33113111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16803 + ... + 18669.

It is an arithmetic number, because the mean of its divisors is an integer number (2591850).

Almost surely, 2^33113112 is an apocalyptic number.

It is an amenable number.

33113112 is an abundant number, since it is smaller than the sum of its proper divisors (49826088).

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

33113112 is a wasteful number, since it uses less digits than its factorization.

33113112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615 (or 2611 counting only the distinct ones).

The product of its digits is 54, while the sum is 15.

The square root of 33113112 is about 5754.3993604893. The cubic root of 33113112 is about 321.1194904572.

Adding to 33113112 its reverse (21131133), we get a palindrome (54244245).

The spelling of 33113112 in words is "thirty-three million, one hundred thirteen thousand, one hundred twelve".