2231123133 has 8 divisors (see below), whose sum is σ = 2975551200. Its totient is φ = 1487055248.

The previous prime is 2231123131. The next prime is 2231123137. The reversal of 2231123133 is 3313211322.

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

It is a cyclic number.

It is not a de Polignac number, because 2231123133 - 2¹ = 2231123131 is a prime.

It is a super-3 number, since 3×2231123133³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231123131) 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, 75243 + ... + 100616.

It is an arithmetic number, because the mean of its divisors is an integer number (371943900).

Almost surely, 2^2231123133 is an apocalyptic number.

It is an amenable number.

2231123133 is a deficient number, since it is larger than the sum of its proper divisors (744428067).

2231123133 is a wasteful number, since it uses less digits than its factorization.

2231123133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180091.

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

The square root of 2231123133 is about 47234.7661474046. The cubic root of 2231123133 is about 1306.6958537302.

Adding to 2231123133 its reverse (3313211322), we get a palindrome (5544334455).

The spelling of 2231123133 in words is "two billion, two hundred thirty-one million, one hundred twenty-three thousand, one hundred thirty-three".