2231125663 has 12 divisors (see below), whose sum is σ = 2446548960. Its totient is φ = 2033418816.

The previous prime is 2231125639. The next prime is 2231125681. The reversal of 2231125663 is 3665211322.

It is a happy number.

It is not a de Polignac number, because 2231125663 - 2⁹ = 2231125151 is a prime.

It is a super-3 number, since 3×2231125663³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231125363) 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 11 ways as a sum of consecutive naturals, for example, 70206 + ... + 96907.

It is an arithmetic number, because the mean of its divisors is an integer number (203879080).

Almost surely, 2^2231125663 is an apocalyptic number.

2231125663 is a deficient number, since it is larger than the sum of its proper divisors (215423297).

2231125663 is a wasteful number, since it uses less digits than its factorization.

2231125663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167218 (or 167205 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 2231125663 is about 47234.7929285183. The cubic root of 2231125663 is about 1306.6963476428.

Adding to 2231125663 its reverse (3665211322), we get a palindrome (5896336985).

It can be divided in two parts, 22311 and 25663, that added together give a palindrome (47974).

The spelling of 2231125663 in words is "two billion, two hundred thirty-one million, one hundred twenty-five thousand, six hundred sixty-three".