3111223043320 has 64 divisors (see below), whose sum is σ = 8036163717120. Its totient is φ = 1061921591424.

The previous prime is 3111223043317. The next prime is 3111223043333. The reversal of 3111223043320 is 233403221113.

It is a congruent number.

It is an unprimeable number.

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, 24851262 + ... + 24976141.

It is an arithmetic number, because the mean of its divisors is an integer number (125565058080).

Almost surely, 2^{3111223043320} is an apocalyptic number.

It is an amenable number.

3111223043320 is an abundant number, since it is smaller than the sum of its proper divisors (4924940673800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3111223043320 is a wasteful number, since it uses less digits than its factorization.

3111223043320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49827644 (or 49827640 counting only the distinct ones).

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

Adding to 3111223043320 its reverse (233403221113), we get a palindrome (3344626264433).

The spelling of 3111223043320 in words is "three trillion, one hundred eleven billion, two hundred twenty-three million, forty-three thousand, three hundred twenty".