3111112320 has 64 divisors (see below), whose sum is σ = 9916676640. Its totient is φ = 829629440.

The previous prime is 3111112297. The next prime is 3111112339. The reversal of 3111112320 is 232111113.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 3111112320.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 808266 + ... + 812105.

Almost surely, 2^3111112320 is an apocalyptic number.

3111112320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3111112320 is an abundant number, since it is smaller than the sum of its proper divisors (6805564320).

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

3111112320 is a wasteful number, since it uses less digits than its factorization.

3111112320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620393 (or 1620381 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 3111112320 is about 55777.3459390100. The cubic root of 3111112320 is about 1459.8399023799.

Adding to 3111112320 its reverse (232111113), we get a palindrome (3343223433).

The spelling of 3111112320 in words is "three billion, one hundred eleven million, one hundred twelve thousand, three hundred twenty".