12103331 has 2 divisors, whose sum is σ = 12103332.
Its totient is φ = 12103330.
The previous prime is 12103279. The next prime is 12103363. The reversal of 12103331 is 13330121.
Adding to 12103331 its reverse (13330121), we get a palindrome (25433452).
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12103331 - 218 = 11841187 is a prime.
It is a super-2 number, since 2×121033312 = 292981242591122, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (12103381) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051665 + 6051666.
It is an arithmetic number, because the mean of its divisors is an integer number (6051666).
It is a self-describing number.
Almost surely, 212103331 is an apocalyptic number.
12103331 is a deficient number, since it is larger than the sum of its proper divisors (1).
12103331 is an equidigital number, since it uses as much as digits as its factorization.
12103331 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 54, while the sum is 14.
The square root of 12103331 is about 3478.9841908235.
The cubic root of 12103331 is about 229.5981072315.
The spelling of 12103331 in words is "twelve million, one hundred three thousand, three hundred thirty-one".