33031996 has 12 divisors (see below), whose sum is σ = 57859648. Its totient is φ = 16500672.

The previous prime is 33031991. The next prime is 33032017. The reversal of 33031996 is 69913033.

It is a happy number.

It is a super-2 number, since 2×33031996² = 2182225519488032, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33031991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2005 + ... + 8371.

Almost surely, 2^33031996 is an apocalyptic number.

It is an amenable number.

33031996 is a deficient number, since it is larger than the sum of its proper divisors (24827652).

33031996 is a wasteful number, since it uses less digits than its factorization.

33031996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7668 (or 7666 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 34.

The square root of 33031996 is about 5747.3468661636. The cubic root of 33031996 is about 320.8570644316.

The spelling of 33031996 in words is "thirty-three million, thirty-one thousand, nine hundred ninety-six".