3122031313220 has 48 divisors (see below), whose sum is σ = 6800527586160. Its totient is φ = 1202517367296.

The previous prime is 3122031313183. The next prime is 3122031313237. The reversal of 3122031313220 is 223131302213.

It can be written as a sum of positive squares in 8 ways, for example, as 317719359556 + 2804311953664 = 563666^2 + 1674608^2 .

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6999227 + ... + 7431906.

It is an arithmetic number, because the mean of its divisors is an integer number (141677658045).

Almost surely, 2^{3122031313220} is an apocalyptic number.

It is an amenable number.

3122031313220 is an abundant number, since it is smaller than the sum of its proper divisors (3678496272940).

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

3122031313220 is a wasteful number, since it uses less digits than its factorization.

3122031313220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14431544 (or 14431542 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 3122031313220 its reverse (223131302213), we get a palindrome (3345162615433).

The spelling of 3122031313220 in words is "three trillion, one hundred twenty-two billion, thirty-one million, three hundred thirteen thousand, two hundred twenty".