12313230321231 has 288 divisors, whose sum is σ = 23152616847360. Its totient is φ = 6498892419264.

The previous prime is 12313230321187. The next prime is 12313230321239. The reversal of 12313230321231 is 13212303231321.

12313230321231 is a `hidden beast` number, since 1 + 2 + 313 + 2 + 3 + 0 + 321 + 23 + 1 = 666.

It is not a de Polignac number, because 12313230321231 - 2⁹ = 12313230320719 is a prime.

It is a super-2 number, since 2×12313230321231² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 12313230321195 and 12313230321204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313230321239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 8628752140 + ... + 8628753566.

It is an arithmetic number, because the mean of its divisors is an integer number (80391030720).

Almost surely, 2^{12313230321231} is an apocalyptic number.

12313230321231 is a deficient number, since it is larger than the sum of its proper divisors (10839386526129).

12313230321231 is a wasteful number, since it uses less digits than its factorization.

12313230321231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405 (or 2386 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 12313230321231 its reverse (13212303231321), we get a palindrome (25525533552552).

The spelling of 12313230321231 in words is "twelve trillion, three hundred thirteen billion, two hundred thirty million, three hundred twenty-one thousand, two hundred thirty-one".