1231230333103 has 2 divisors, whose sum is σ = 1231230333104. Its totient is φ = 1231230333102.

The previous prime is 1231230333083. The next prime is 1231230333161. The reversal of 1231230333103 is 3013330321321.

It is a weak prime.

It is an emirp because it is prime and its reverse (3013330321321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1231230333103 - 2²⁵ = 1231196778671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1231230333163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615615166551 + 615615166552.

It is an arithmetic number, because the mean of its divisors is an integer number (615615166552).

Almost surely, 2^{1231230333103} is an apocalyptic number.

1231230333103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231230333103 is an equidigital number, since it uses as much as digits as its factorization.

1231230333103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 1231230333103 its reverse (3013330321321), we get a palindrome (4244560654424).

The spelling of 1231230333103 in words is "one trillion, two hundred thirty-one billion, two hundred thirty million, three hundred thirty-three thousand, one hundred three".