12310133212031 has 4 divisors (see below), whose sum is σ = 12734620564200. Its totient is φ = 11885645859864.

The previous prime is 12310133212001. The next prime is 12310133212051. The reversal of 12310133212031 is 13021233101321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12310133212031 is a prime.

It is a super-2 number, since 2×12310133212031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12310133211988 and 12310133212006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310133212001) 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 3 ways as a sum of consecutive naturals, for example, 212243676041 + ... + 212243676098.

It is an arithmetic number, because the mean of its divisors is an integer number (3183655141050).

Almost surely, 2^{12310133212031} is an apocalyptic number.

12310133212031 is a deficient number, since it is larger than the sum of its proper divisors (424487352169).

12310133212031 is an equidigital number, since it uses as much as digits as its factorization.

12310133212031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424487352168.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 12310133212031 its reverse (13021233101321), we get a palindrome (25331366313352).

The spelling of 12310133212031 in words is "twelve trillion, three hundred ten billion, one hundred thirty-three million, two hundred twelve thousand, thirty-one".