3120321320 has 64 divisors (see below), whose sum is σ = 7140424320. Its totient is φ = 1226928384.

The previous prime is 3120321313. The next prime is 3120321331. The reversal of 3120321320 is 231230213.

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 15 ways as a sum of consecutive naturals, for example, 1749149 + ... + 1750931.

It is an arithmetic number, because the mean of its divisors is an integer number (111569130).

Almost surely, 2^3120321320 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 3120321320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3570212160).

3120321320 is an abundant number, since it is smaller than the sum of its proper divisors (4020103000).

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

3120321320 is a wasteful number, since it uses less digits than its factorization.

3120321320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514 (or 2510 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 3120321320 is about 55859.8363764163. The cubic root of 3120321320 is about 1461.2788756986.

Adding to 3120321320 its reverse (231230213), we get a palindrome (3351551533).

The spelling of 3120321320 in words is "three billion, one hundred twenty million, three hundred twenty-one thousand, three hundred twenty".