311223322103 has 2 divisors, whose sum is σ = 311223322104. Its totient is φ = 311223322102.

The previous prime is 311223322087. The next prime is 311223322127. The reversal of 311223322103 is 301223322113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 311223322103 - 2⁴ = 311223322087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311220322103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155611661051 + 155611661052.

It is an arithmetic number, because the mean of its divisors is an integer number (155611661052).

Almost surely, 2^311223322103 is an apocalyptic number.

311223322103 is a deficient number, since it is larger than the sum of its proper divisors (1).

311223322103 is an equidigital number, since it uses as much as digits as its factorization.

311223322103 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 311223322103 its reverse (301223322113), we get a palindrome (612446644216).

The spelling of 311223322103 in words is "three hundred eleven billion, two hundred twenty-three million, three hundred twenty-two thousand, one hundred three".