12322031 has 2 divisors, whose sum is σ = 12322032. Its totient is φ = 12322030.

The previous prime is 12322027. The next prime is 12322033. The reversal of 12322031 is 13022321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12322031 - 2² = 12322027 is a prime.

It is a super-2 number, since 2×12322031² = 303664895929922, which contains 22 as substring.

Together with 12322033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12321997 and 12322015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12322033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6161015 + 6161016.

It is an arithmetic number, because the mean of its divisors is an integer number (6161016).

Almost surely, 2^12322031 is an apocalyptic number.

12322031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12322031 is an equidigital number, since it uses as much as digits as its factorization.

12322031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 12322031 is about 3510.2750604475. The cubic root of 12322031 is about 230.9727609168.

Adding to 12322031 its reverse (13022321), we get a palindrome (25344352).

The spelling of 12322031 in words is "twelve million, three hundred twenty-two thousand, thirty-one".