33112042 has 16 divisors (see below), whose sum is σ = 52348032. Its totient is φ = 15677200.

The previous prime is 33112033. The next prime is 33112043. The reversal of 33112042 is 24021133.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (33112043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1083 + ... + 8209.

It is an arithmetic number, because the mean of its divisors is an integer number (3271752).

Almost surely, 2^33112042 is an apocalyptic number.

33112042 is a deficient number, since it is larger than the sum of its proper divisors (19235990).

33112042 is a wasteful number, since it uses less digits than its factorization.

33112042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7253.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 33112042 is about 5754.3063873937. The cubic root of 33112042 is about 321.1160315902.

Adding to 33112042 its reverse (24021133), we get a palindrome (57133175).

Subtracting from 33112042 its reverse (24021133), we obtain a palindrome (9090909).

The spelling of 33112042 in words is "thirty-three million, one hundred twelve thousand, forty-two".