33131132 has 24 divisors (see below), whose sum is σ = 62141856. Its totient is φ = 15415488.

The previous prime is 33131107. The next prime is 33131149. The reversal of 33131132 is 23113133.

It is a self number, because there is not a number n which added to its sum of digits gives 33131132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1463 + ... + 8270.

It is an arithmetic number, because the mean of its divisors is an integer number (2589244).

Almost surely, 2^33131132 is an apocalyptic number.

It is an amenable number.

33131132 is a deficient number, since it is larger than the sum of its proper divisors (29010724).

33131132 is a wasteful number, since it uses less digits than its factorization.

33131132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9797 (or 9795 counting only the distinct ones).

The product of its digits is 162, while the sum is 17.

The square root of 33131132 is about 5755.9649060779. The cubic root of 33131132 is about 321.1777304666.

Adding to 33131132 its reverse (23113133), we get a palindrome (56244265).

The spelling of 33131132 in words is "thirty-three million, one hundred thirty-one thousand, one hundred thirty-two".