12231110332031 has 2 divisors, whose sum is σ = 12231110332032. Its totient is φ = 12231110332030.

The previous prime is 12231110332027. The next prime is 12231110332093. The reversal of 12231110332031 is 13023301113221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12231110332031 - 2² = 12231110332027 is a prime.

It is a super-2 number, since 2×12231110332031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12231110331988 and 12231110332006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12231110332631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115555166015 + 6115555166016.

It is an arithmetic number, because the mean of its divisors is an integer number (6115555166016).

Almost surely, 2^{12231110332031} is an apocalyptic number.

12231110332031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12231110332031 is an equidigital number, since it uses as much as digits as its factorization.

12231110332031 is an odious number, because the sum of its binary digits is odd.

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

Adding to 12231110332031 its reverse (13023301113221), we get a palindrome (25254411445252).

The spelling of 12231110332031 in words is "twelve trillion, two hundred thirty-one billion, one hundred ten million, three hundred thirty-two thousand, thirty-one".