311232222123 has 16 divisors (see below), whose sum is σ = 426236422176. Its totient is φ = 201859257600.

The previous prime is 311232222113. The next prime is 311232222163. The reversal of 311232222123 is 321222232113.

It is not a de Polignac number, because 311232222123 - 2¹³ = 311232213931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311232222093 and 311232222102.

It is not an unprimeable number, because it can be changed into a prime (311232222113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 957415 + ... + 1240607.

It is an arithmetic number, because the mean of its divisors is an integer number (26639776386).

Almost surely, 2^311232222123 is an apocalyptic number.

311232222123 is a deficient number, since it is larger than the sum of its proper divisors (115004200053).

311232222123 is a wasteful number, since it uses less digits than its factorization.

311232222123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293134.

The product of its digits is 1728, while the sum is 24.

Adding to 311232222123 its reverse (321222232113), we get a palindrome (632454454236).

The spelling of 311232222123 in words is "three hundred eleven billion, two hundred thirty-two million, two hundred twenty-two thousand, one hundred twenty-three".