33133030 has 32 divisors (see below), whose sum is σ = 68714496. Its totient is φ = 11267424.

The previous prime is 33133027. The next prime is 33133031. The reversal of 33133030 is 3033133.

It is a junction number, because it is equal to n+sod(n) for n = 33132995 and 33133013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33133031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7027 + ... + 10753.

It is an arithmetic number, because the mean of its divisors is an integer number (2147328).

Almost surely, 2^33133030 is an apocalyptic number.

33133030 is an abundant number, since it is smaller than the sum of its proper divisors (35581466).

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

33133030 is a wasteful number, since it uses less digits than its factorization.

33133030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3868.

The product of its (nonzero) digits is 243, while the sum is 16.

The square root of 33133030 is about 5756.1297761604. The cubic root of 33133030 is about 321.1838635068.

Adding to 33133030 its reverse (3033133), we get a palindrome (36166163).

The spelling of 33133030 in words is "thirty-three million, one hundred thirty-three thousand, thirty".