3122231131320 has 384 divisors, whose sum is σ = 11519599680000. Its totient is φ = 673134271488.

The previous prime is 3122231131291. The next prime is 3122231131321. The reversal of 3122231131320 is 231311322213.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122231131321) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 25522861 + ... + 25644899.

It is an arithmetic number, because the mean of its divisors is an integer number (29998957500).

Almost surely, 2^{3122231131320} is an apocalyptic number.

3122231131320 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 3122231131320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5759799840000).

3122231131320 is an abundant number, since it is smaller than the sum of its proper divisors (8397368548680).

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

3122231131320 is a wasteful number, since it uses less digits than its factorization.

3122231131320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122315 (or 122304 counting only the distinct ones).

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

Adding to 3122231131320 its reverse (231311322213), we get a palindrome (3353542453533).

The spelling of 3122231131320 in words is "three trillion, one hundred twenty-two billion, two hundred thirty-one million, one hundred thirty-one thousand, three hundred twenty".