3111213321223 has 16 divisors (see below), whose sum is σ = 3710923776000. Its totient is φ = 2550356778816.

The previous prime is 3111213321197. The next prime is 3111213321239. The reversal of 3111213321223 is 3221233121113.

It is not a de Polignac number, because 3111213321223 - 2⁹ = 3111213320711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111213321323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 797223 + ... + 2618776.

It is an arithmetic number, because the mean of its divisors is an integer number (231932736000).

Almost surely, 2^{3111213321223} is an apocalyptic number.

3111213321223 is a deficient number, since it is larger than the sum of its proper divisors (599710454777).

3111213321223 is a wasteful number, since it uses less digits than its factorization.

3111213321223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3421686.

The product of its digits is 1296, while the sum is 25.

Adding to 3111213321223 its reverse (3221233121113), we get a palindrome (6332446442336).

The spelling of 3111213321223 in words is "three trillion, one hundred eleven billion, two hundred thirteen million, three hundred twenty-one thousand, two hundred twenty-three".