33100130028 has 96 divisors (see below), whose sum is σ = 88871731200. Its totient is φ = 9392616000.

The previous prime is 33100130023. The next prime is 33100130029. The reversal of 33100130028 is 82003100133.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 33100129986 and 33100130013.

It is not an unprimeable number, because it can be changed into a prime (33100130023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8073123 + ... + 8077221.

It is an arithmetic number, because the mean of its divisors is an integer number (925747200).

Almost surely, 2^33100130028 is an apocalyptic number.

It is an amenable number.

33100130028 is an abundant number, since it is smaller than the sum of its proper divisors (55771601172).

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

33100130028 is a wasteful number, since it uses less digits than its factorization.

33100130028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4747 (or 4745 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The spelling of 33100130028 in words is "thirty-three billion, one hundred million, one hundred thirty thousand, twenty-eight".