2112431133 has 8 divisors (see below), whose sum is σ = 2817095200. Its totient is φ = 1408027248.

The previous prime is 2112431131. The next prime is 2112431183. The reversal of 2112431133 is 3311342112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2112431133 - 2¹ = 2112431131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112431131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45238 + ... + 79191.

It is an arithmetic number, because the mean of its divisors is an integer number (352136900).

Almost surely, 2^2112431133 is an apocalyptic number.

It is an amenable number.

2112431133 is a deficient number, since it is larger than the sum of its proper divisors (704664067).

2112431133 is a wasteful number, since it uses less digits than its factorization.

2112431133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130091.

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

The square root of 2112431133 is about 45961.1915968244. The cubic root of 2112431133 is about 1283.1010287036.

Adding to 2112431133 its reverse (3311342112), we get a palindrome (5423773245).

The spelling of 2112431133 in words is "two billion, one hundred twelve million, four hundred thirty-one thousand, one hundred thirty-three".