10311111223 has 16 divisors (see below), whose sum is σ = 11994140160. Its totient is φ = 8680843296.

The previous prime is 10311111203. The next prime is 10311111229. The reversal of 10311111223 is 32211111301.

It is a happy number.

10311111223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10311111223 - 2¹⁷ = 10310980151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10311111197 and 10311111206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10311111229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500790 + ... + 520972.

It is an arithmetic number, because the mean of its divisors is an integer number (749633760).

Almost surely, 2^10311111223 is an apocalyptic number.

10311111223 is a deficient number, since it is larger than the sum of its proper divisors (1683028937).

10311111223 is a wasteful number, since it uses less digits than its factorization.

10311111223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21486.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 10311111223 its reverse (32211111301), we get a palindrome (42522222524).

The spelling of 10311111223 in words is "ten billion, three hundred eleven million, one hundred eleven thousand, two hundred twenty-three".