3220312131321 has 8 divisors (see below), whose sum is σ = 4480434269760. Its totient is φ = 2053532373552.

The previous prime is 3220312131319. The next prime is 3220312131373. The reversal of 3220312131321 is 1231312130223.

3220312131321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3220312131321 - 2¹ = 3220312131319 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3220312131291 and 3220312131300.

It is not an unprimeable number, because it can be changed into a prime (3220312131301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23335595086 + ... + 23335595223.

It is an arithmetic number, because the mean of its divisors is an integer number (560054283720).

Almost surely, 2^{3220312131321} is an apocalyptic number.

It is an amenable number.

3220312131321 is a deficient number, since it is larger than the sum of its proper divisors (1260122138439).

3220312131321 is a wasteful number, since it uses less digits than its factorization.

3220312131321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46671190335.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 3220312131321 its reverse (1231312130223), we get a palindrome (4451624261544).

The spelling of 3220312131321 in words is "three trillion, two hundred twenty billion, three hundred twelve million, one hundred thirty-one thousand, three hundred twenty-one".