12313312231333 has 4 divisors (see below), whose sum is σ = 12961381296160. Its totient is φ = 11665243166508.

The previous prime is 12313312231309. The next prime is 12313312231361. The reversal of 12313312231333 is 33313221331321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12313312231333 - 2¹⁷ = 12313312100261 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12313312231295 and 12313312231304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313312231133) 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, 324034532385 + ... + 324034532422.

It is an arithmetic number, because the mean of its divisors is an integer number (3240345324040).

Almost surely, 2^{12313312231333} is an apocalyptic number.

It is an amenable number.

12313312231333 is a deficient number, since it is larger than the sum of its proper divisors (648069064827).

12313312231333 is an equidigital number, since it uses as much as digits as its factorization.

12313312231333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648069064826.

The product of its digits is 17496, while the sum is 31.

Adding to 12313312231333 its reverse (33313221331321), we get a palindrome (45626533562654).

The spelling of 12313312231333 in words is "twelve trillion, three hundred thirteen billion, three hundred twelve million, two hundred thirty-one thousand, three hundred thirty-three".