33000220231 has 16 divisors (see below), whose sum is σ = 36203932800. Its totient is φ = 29830860000.

The previous prime is 33000220229. The next prime is 33000220271. The reversal of 33000220231 is 13202200033.

It is a cyclic number.

It is not a de Polignac number, because 33000220231 - 2¹ = 33000220229 is a prime.

It is a super-2 number, since 2×33000220231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33000220271) 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 15 ways as a sum of consecutive naturals, for example, 1699405 + ... + 1718713.

It is an arithmetic number, because the mean of its divisors is an integer number (2262745800).

Almost surely, 2^33000220231 is an apocalyptic number.

33000220231 is a deficient number, since it is larger than the sum of its proper divisors (3203712569).

33000220231 is a wasteful number, since it uses less digits than its factorization.

33000220231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20190.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 33000220231 its reverse (13202200033), we get a palindrome (46202420264).

The spelling of 33000220231 in words is "thirty-three billion, two hundred twenty thousand, two hundred thirty-one".