12310203133031 has 2 divisors, whose sum is σ = 12310203133032. Its totient is φ = 12310203133030.

The previous prime is 12310203133009. The next prime is 12310203133057. The reversal of 12310203133031 is 13033130201321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12310203133031 is a prime.

It is a super-2 number, since 2×12310203133031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12310203132988 and 12310203133006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12310203133231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155101566515 + 6155101566516.

It is an arithmetic number, because the mean of its divisors is an integer number (6155101566516).

Almost surely, 2^{12310203133031} is an apocalyptic number.

12310203133031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12310203133031 is an equidigital number, since it uses as much as digits as its factorization.

12310203133031 is an odious number, because the sum of its binary digits is odd.

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

Adding to 12310203133031 its reverse (13033130201321), we get a palindrome (25343333334352).

The spelling of 12310203133031 in words is "twelve trillion, three hundred ten billion, two hundred three million, one hundred thirty-three thousand, thirty-one".