2331121133 has 16 divisors (see below), whose sum is σ = 2614816512. Its totient is φ = 2059776000.

The previous prime is 2331121127. The next prime is 2331121147. The reversal of 2331121133 is 3311211332.

It is a cyclic number.

It is not a de Polignac number, because 2331121133 - 2¹² = 2331117037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331121333) 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 15 ways as a sum of consecutive naturals, for example, 112685 + ... + 131757.

It is an arithmetic number, because the mean of its divisors is an integer number (163426032).

Almost surely, 2^2331121133 is an apocalyptic number.

It is an amenable number.

2331121133 is a deficient number, since it is larger than the sum of its proper divisors (283695379).

2331121133 is a wasteful number, since it uses less digits than its factorization.

2331121133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19396.

The product of its digits is 324, while the sum is 20.

The square root of 2331121133 is about 48281.6852750606. The cubic root of 2331121133 is about 1325.9331047759.

Adding to 2331121133 its reverse (3311211332), we get a palindrome (5642332465).

It can be divided in two parts, 23311 and 21133, that added together give a palindrome (44444).

The spelling of 2331121133 in words is "two billion, three hundred thirty-one million, one hundred twenty-one thousand, one hundred thirty-three".