33133230231 has 16 divisors (see below), whose sum is σ = 47074274784. Its totient is φ = 20657055744.

The previous prime is 33133230223. The next prime is 33133230259. The reversal of 33133230231 is 13203233133.

It is not a de Polignac number, because 33133230231 - 2³ = 33133230223 is a prime.

It is a super-2 number, since 2×33133230231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33133230271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2061010 + ... + 2077023.

It is an arithmetic number, because the mean of its divisors is an integer number (2942142174).

Almost surely, 2^33133230231 is an apocalyptic number.

33133230231 is a deficient number, since it is larger than the sum of its proper divisors (13941044553).

33133230231 is a wasteful number, since it uses less digits than its factorization.

33133230231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4138210.

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 33133230231 its reverse (13203233133), we get a palindrome (46336463364).

The spelling of 33133230231 in words is "thirty-three billion, one hundred thirty-three million, two hundred thirty thousand, two hundred thirty-one".