2231124403 has 4 divisors (see below), whose sum is σ = 2231219368. Its totient is φ = 2231029440.

The previous prime is 2231124397. The next prime is 2231124433. The reversal of 2231124403 is 3044211322.

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 a de Polignac number, because none of the positive numbers 2^k-2231124403 is a prime.

It is a super-3 number, since 3×2231124403³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231124433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16483 + ... + 68803.

It is an arithmetic number, because the mean of its divisors is an integer number (557804842).

Almost surely, 2^2231124403 is an apocalyptic number.

2231124403 is a deficient number, since it is larger than the sum of its proper divisors (94965).

2231124403 is an equidigital number, since it uses as much as digits as its factorization.

2231124403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94964.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2231124403 is about 47234.7795908904. The cubic root of 2231124403 is about 1306.6961016626.

Adding to 2231124403 its reverse (3044211322), we get a palindrome (5275335725).

The spelling of 2231124403 in words is "two billion, two hundred thirty-one million, one hundred twenty-four thousand, four hundred three".