12313312231203 has 24 divisors (see below), whose sum is σ = 17875144890720. Its totient is φ = 8167729253760.

The previous prime is 12313312231169. The next prime is 12313312231277. The reversal of 12313312231203 is 30213221331321.

12313312231203 is a `hidden beast` number, since 1 + 2 + 31 + 3 + 312 + 2 + 312 + 0 + 3 = 666.

It is not a de Polignac number, because 12313312231203 - 2¹⁶ = 12313312165667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12313312231403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1244143 + ... + 5116103.

It is an arithmetic number, because the mean of its divisors is an integer number (744797703780).

Almost surely, 2^{12313312231203} is an apocalyptic number.

12313312231203 is a deficient number, since it is larger than the sum of its proper divisors (5561832659517).

12313312231203 is a wasteful number, since it uses less digits than its factorization.

12313312231203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3873739 (or 3873736 counting only the distinct ones).

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

Adding to 12313312231203 its reverse (30213221331321), we get a palindrome (42526533562524).

The spelling of 12313312231203 in words is "twelve trillion, three hundred thirteen billion, three hundred twelve million, two hundred thirty-one thousand, two hundred three".