321103243103 has 2 divisors, whose sum is σ = 321103243104. Its totient is φ = 321103243102.

The previous prime is 321103243093. The next prime is 321103243151. The reversal of 321103243103 is 301342301123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321103243103 - 2²² = 321099048799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321103245103) 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, 160551621551 + 160551621552.

It is an arithmetic number, because the mean of its divisors is an integer number (160551621552).

Almost surely, 2^321103243103 is an apocalyptic number.

321103243103 is a deficient number, since it is larger than the sum of its proper divisors (1).

321103243103 is an equidigital number, since it uses as much as digits as its factorization.

321103243103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 321103243103 its reverse (301342301123), we get a palindrome (622445544226).

The spelling of 321103243103 in words is "three hundred twenty-one billion, one hundred three million, two hundred forty-three thousand, one hundred three".