3111222331103 has 2 divisors, whose sum is σ = 3111222331104. Its totient is φ = 3111222331102.

The previous prime is 3111222331081. The next prime is 3111222331109. The reversal of 3111222331103 is 3011332221113.

3111222331103 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3111222331103 - 2³⁸ = 2836344424159 is a prime.

It is a super-2 number, since 2×3111222331103² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3111222331109) 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, 1555611165551 + 1555611165552.

It is an arithmetic number, because the mean of its divisors is an integer number (1555611165552).

Almost surely, 2^{3111222331103} is an apocalyptic number.

3111222331103 is a deficient number, since it is larger than the sum of its proper divisors (1).

3111222331103 is an equidigital number, since it uses as much as digits as its factorization.

3111222331103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 3111222331103 its reverse (3011332221113), we get a palindrome (6122554552216).

The spelling of 3111222331103 in words is "three trillion, one hundred eleven billion, two hundred twenty-two million, three hundred thirty-one thousand, one hundred three".