3112143320 has 128 divisors (see below), whose sum is σ = 8492359680. Its totient is φ = 1010880000.

The previous prime is 3112143319. The next prime is 3112143329. The reversal of 3112143320 is 233412113.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3112143292 and 3112143301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112143329) 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 31 ways as a sum of consecutive naturals, for example, 168545 + ... + 186095.

It is an arithmetic number, because the mean of its divisors is an integer number (66346560).

Almost surely, 2^3112143320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3112143320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4246179840).

3112143320 is an abundant number, since it is smaller than the sum of its proper divisors (5380216360).

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

3112143320 is a wasteful number, since it uses less digits than its factorization.

3112143320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17617 (or 17613 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3112143320 is about 55786.5872768715. The cubic root of 3112143320 is about 1460.0011446792.

Adding to 3112143320 its reverse (233412113), we get a palindrome (3345555433).

The spelling of 3112143320 in words is "three billion, one hundred twelve million, one hundred forty-three thousand, three hundred twenty".