33100131224 has 16 divisors (see below), whose sum is σ = 62170315800. Its totient is φ = 16521380352.

The previous prime is 33100131223. The next prime is 33100131257. The reversal of 33100131224 is 42213100133.

It is a junction number, because it is equal to n+sod(n) for n = 33100131196 and 33100131205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33100131223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3580754 + ... + 3589985.

Almost surely, 2^33100131224 is an apocalyptic number.

It is an amenable number.

33100131224 is a deficient number, since it is larger than the sum of its proper divisors (29070184576).

33100131224 is a wasteful number, since it uses less digits than its factorization.

33100131224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7171322 (or 7171318 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 33100131224 its reverse (42213100133), we get a palindrome (75313231357).

The spelling of 33100131224 in words is "thirty-three billion, one hundred million, one hundred thirty-one thousand, two hundred twenty-four".