131222244431322 has 256 divisors, whose sum is σ = 343217571840000. Its totient is φ = 36733867934400.

The previous prime is 131222244431293. The next prime is 131222244431323. The reversal of 131222244431322 is 223134442222131.

131222244431322 is a `hidden beast` number, since 1 + 31 + 2 + 22 + 244 + 43 + 1 + 322 = 666.

It is not an unprimeable number, because it can be changed into a prime (131222244431323) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 290467797 + ... + 290919207.

It is an arithmetic number, because the mean of its divisors is an integer number (1340693640000).

Almost surely, 2^{131222244431322} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131222244431322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171608785920000).

131222244431322 is an abundant number, since it is smaller than the sum of its proper divisors (211995327408678).

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

131222244431322 is a wasteful number, since it uses less digits than its factorization.

131222244431322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452094 (or 452088 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

Adding to 131222244431322 its reverse (223134442222131), we get a palindrome (354356686653453).

The spelling of 131222244431322 in words is "one hundred thirty-one trillion, two hundred twenty-two billion, two hundred forty-four million, four hundred thirty-one thousand, three hundred twenty-two".