133220002131 has 16 divisors (see below), whose sum is σ = 198060373120. Its totient is φ = 88499501640.

The previous prime is 133220002117. The next prime is 133220002151. The reversal of 133220002131 is 131200022331.

133220002131 is a `hidden beast` number, since 1 + 332 + 200 + 0 + 2 + 131 = 666.

It is not a de Polignac number, because 133220002131 - 2²⁹ = 132683131219 is a prime.

It is a super-2 number, since 2×133220002131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133220002151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8709805 + ... + 8725086.

It is an arithmetic number, because the mean of its divisors is an integer number (12378773320).

Almost surely, 2^133220002131 is an apocalyptic number.

133220002131 is a deficient number, since it is larger than the sum of its proper divisors (64840370989).

133220002131 is a wasteful number, since it uses less digits than its factorization.

133220002131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17435183 (or 17435177 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 133220002131 its reverse (131200022331), we get a palindrome (264420024462).

The spelling of 133220002131 in words is "one hundred thirty-three billion, two hundred twenty million, two thousand, one hundred thirty-one".