12310213203031 has 4 divisors (see below), whose sum is σ = 12310231065192. Its totient is φ = 12310195340872.

The previous prime is 12310213202971. The next prime is 12310213203037. The reversal of 12310213203031 is 13030231201321.

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

It is a cyclic number.

It is not a de Polignac number, because 12310213203031 - 2²⁹ = 12309676332119 is a prime.

It is a super-2 number, since 2×12310213203031² (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 = 12310213202993 and 12310213203011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310213203037) 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, 7854016 + ... + 9290101.

It is an arithmetic number, because the mean of its divisors is an integer number (3077557766298).

Almost surely, 2^{12310213203031} is an apocalyptic number.

12310213203031 is a deficient number, since it is larger than the sum of its proper divisors (17862161).

12310213203031 is an equidigital number, since it uses as much as digits as its factorization.

12310213203031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17862160.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 12310213203031 its reverse (13030231201321), we get a palindrome (25340444404352).

The spelling of 12310213203031 in words is "twelve trillion, three hundred ten billion, two hundred thirteen million, two hundred three thousand, thirty-one".