2231123331 has 8 divisors (see below), whose sum is σ = 2976566544. Its totient is φ = 1486547840.

The previous prime is 2231123329. The next prime is 2231123339. The reversal of 2231123331 is 1333211322.

2231123331 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 a cyclic number.

It is not a de Polignac number, because 2231123331 - 2¹ = 2231123329 is a prime.

It is a super-3 number, since 3×2231123331³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2231123298 and 2231123307.

It is not an unprimeable number, because it can be changed into a prime (2231123339) 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, 210906 + ... + 221231.

It is an arithmetic number, because the mean of its divisors is an integer number (372070818).

Almost surely, 2^2231123331 is an apocalyptic number.

2231123331 is a deficient number, since it is larger than the sum of its proper divisors (745443213).

2231123331 is a wasteful number, since it uses less digits than its factorization.

2231123331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433861.

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

The square root of 2231123331 is about 47234.7682433184. The cubic root of 2231123331 is about 1306.6958923842.

Adding to 2231123331 its reverse (1333211322), we get a palindrome (3564334653).

The spelling of 2231123331 in words is "two billion, two hundred thirty-one million, one hundred twenty-three thousand, three hundred thirty-one".