3112122320 has 20 divisors (see below), whose sum is σ = 7235684580. Its totient is φ = 1244848896.

The previous prime is 3112122319. The next prime is 3112122359. The reversal of 3112122320 is 232212113.

It can be written as a sum of positive squares in 2 ways, for example, as 438818704 + 2673303616 = 20948^2 + 51704^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19450685 + ... + 19450844.

It is an arithmetic number, because the mean of its divisors is an integer number (361784229).

Almost surely, 2^3112122320 is an apocalyptic number.

It is an amenable number.

3112122320 is an abundant number, since it is smaller than the sum of its proper divisors (4123562260).

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

3112122320 is a wasteful number, since it uses less digits than its factorization.

3112122320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38901542 (or 38901536 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3112122320 is about 55786.3990592689. The cubic root of 3112122320 is about 1459.9978607587.

Adding to 3112122320 its reverse (232212113), we get a palindrome (3344334433).

The spelling of 3112122320 in words is "three billion, one hundred twelve million, one hundred twenty-two thousand, three hundred twenty".