12230031231 has 48 divisors (see below), whose sum is σ = 19596245760. Its totient is φ = 7287840000.

The previous prime is 12230031221. The next prime is 12230031239. The reversal of 12230031231 is 13213003221.

12230031231 is a `hidden beast` number, since 1 + 22 + 300 + 312 + 31 = 666.

It is not a de Polignac number, because 12230031231 - 2²¹ = 12227934079 is a prime.

It is a super-2 number, since 2×12230031231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230031239) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2816460 + ... + 2820798.

It is an arithmetic number, because the mean of its divisors is an integer number (408255120).

Almost surely, 2^12230031231 is an apocalyptic number.

12230031231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12230031231 is a deficient number, since it is larger than the sum of its proper divisors (7366214529).

12230031231 is a wasteful number, since it uses less digits than its factorization.

12230031231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4828 (or 4825 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12230031231 its reverse (13213003221), we get a palindrome (25443034452).

The spelling of 12230031231 in words is "twelve billion, two hundred thirty million, thirty-one thousand, two hundred thirty-one".