3012313320 has 128 divisors (see below), whose sum is σ = 10130313600. Its totient is φ = 796142592.

The previous prime is 3012313309. The next prime is 3012313321. The reversal of 3012313320 is 233132103.

3012313320 is a `hidden beast` number, since 30 + 1 + 2 + 313 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3012313293 and 3012313302.

It is not an unprimeable number, because it can be changed into a prime (3012313321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109699 + ... + 134381.

It is an arithmetic number, because the mean of its divisors is an integer number (79143075).

Almost surely, 2^3012313320 is an apocalyptic number.

3012313320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3012313320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5065156800).

3012313320 is an abundant number, since it is smaller than the sum of its proper divisors (7118000280).

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

3012313320 is a wasteful number, since it uses less digits than its factorization.

3012313320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24816 (or 24806 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 3012313320 is about 54884.5453657038. The cubic root of 3012313320 is about 1444.2200857493.

Adding to 3012313320 its reverse (233132103), we get a palindrome (3245445423).

The spelling of 3012313320 in words is "three billion, twelve million, three hundred thirteen thousand, three hundred twenty".