33133031982 has 24 divisors (see below), whose sum is σ = 72096349104. Its totient is φ = 10996941984.

The previous prime is 33133031933. The next prime is 33133031989. The reversal of 33133031982 is 28913033133.

33133031982 is a `hidden beast` number, since 3 + 3 + 1 + 330 + 319 + 8 + 2 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33133031989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3945858 + ... + 3954245.

It is an arithmetic number, because the mean of its divisors is an integer number (3004014546).

Almost surely, 2^33133031982 is an apocalyptic number.

33133031982 is an abundant number, since it is smaller than the sum of its proper divisors (38963317122).

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

33133031982 is a wasteful number, since it uses less digits than its factorization.

33133031982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7900344 (or 7900341 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The spelling of 33133031982 in words is "thirty-three billion, one hundred thirty-three million, thirty-one thousand, nine hundred eighty-two".