12310312330031 has 4 divisors (see below), whose sum is σ = 12319357380864. Its totient is φ = 12301267279200.

The previous prime is 12310312330027. The next prime is 12310312330097. The reversal of 12310312330031 is 13003321301321.

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 12310312330031 - 2² = 12310312330027 is a prime.

It is a super-4 number, since 4×12310312330031⁴ (a number of 53 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12310312329979 and 12310312330006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310312300031) 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, 4522523375 + ... + 4522526096.

It is an arithmetic number, because the mean of its divisors is an integer number (3079839345216).

Almost surely, 2^{12310312330031} is an apocalyptic number.

12310312330031 is a deficient number, since it is larger than the sum of its proper divisors (9045050833).

12310312330031 is an equidigital number, since it uses as much as digits as its factorization.

12310312330031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9045050832.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 12310312330031 its reverse (13003321301321), we get a palindrome (25313633631352).

The spelling of 12310312330031 in words is "twelve trillion, three hundred ten billion, three hundred twelve million, three hundred thirty thousand, thirty-one".