311023222103203 has 2 divisors, whose sum is σ = 311023222103204. Its totient is φ = 311023222103202.

The previous prime is 311023222103141. The next prime is 311023222103249. The reversal of 311023222103203 is 302301222320113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 311023222103203 - 2¹³ = 311023222095011 is a prime.

It is not a weakly prime, because it can be changed into another prime (311023222103903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155511611051601 + 155511611051602.

It is an arithmetic number, because the mean of its divisors is an integer number (155511611051602).

Almost surely, 2^{311023222103203} is an apocalyptic number.

311023222103203 is a deficient number, since it is larger than the sum of its proper divisors (1).

311023222103203 is an equidigital number, since it uses as much as digits as its factorization.

311023222103203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 311023222103203 its reverse (302301222320113), we get a palindrome (613324444423316).

The spelling of 311023222103203 in words is "three hundred eleven trillion, twenty-three billion, two hundred twenty-two million, one hundred three thousand, two hundred three".