2124433231 has 4 divisors (see below), whose sum is σ = 2124544264. Its totient is φ = 2124322200.

The previous prime is 2124433211. The next prime is 2124433261. The reversal of 2124433231 is 1323344212.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2124433231 - 2²⁵ = 2090878799 is a prime.

It is a super-2 number, since 2×2124433231² = 9026433105954198722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2124433196 and 2124433205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124433211) 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 3 ways as a sum of consecutive naturals, for example, 18660 + ... + 67801.

It is an arithmetic number, because the mean of its divisors is an integer number (531136066).

Almost surely, 2^2124433231 is an apocalyptic number.

2124433231 is a deficient number, since it is larger than the sum of its proper divisors (111033).

2124433231 is an equidigital number, since it uses as much as digits as its factorization.

2124433231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111032.

The product of its digits is 3456, while the sum is 25.

The square root of 2124433231 is about 46091.5744035719. The cubic root of 2124433231 is about 1285.5264853465.

Adding to 2124433231 its reverse (1323344212), we get a palindrome (3447777443).

The spelling of 2124433231 in words is "two billion, one hundred twenty-four million, four hundred thirty-three thousand, two hundred thirty-one".