2231321133 has 8 divisors (see below), whose sum is σ = 2975587168. Its totient is φ = 1487301264.

The previous prime is 2231321117. The next prime is 2231321137. The reversal of 2231321133 is 3311231322.

2231321133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2231321133 - 2⁴ = 2231321117 is a prime.

It is a super-3 number, since 3×2231321133³ (a number of 29 digits) contains 333 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 (2231321137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39235 + ... + 77472.

It is an arithmetic number, because the mean of its divisors is an integer number (371948396).

Almost surely, 2^2231321133 is an apocalyptic number.

It is an amenable number.

2231321133 is a deficient number, since it is larger than the sum of its proper divisors (744266035).

2231321133 is a wasteful number, since it uses less digits than its factorization.

2231321133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123083.

The product of its digits is 648, while the sum is 21.

The square root of 2231321133 is about 47236.8620147444. The cubic root of 2231321133 is about 1306.7345066284.

Adding to 2231321133 its reverse (3311231322), we get a palindrome (5542552455).

The spelling of 2231321133 in words is "two billion, two hundred thirty-one million, three hundred twenty-one thousand, one hundred thirty-three".