131122343220404 has 48 divisors (see below), whose sum is σ = 236843542387200. Its totient is φ = 63486059462496.

The previous prime is 131122343220389. The next prime is 131122343220433. The reversal of 131122343220404 is 404022343221131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 598833287 + ... + 599052209.

It is an arithmetic number, because the mean of its divisors is an integer number (4934240466400).

Almost surely, 2^{131122343220404} is an apocalyptic number.

It is an amenable number.

131122343220404 is a deficient number, since it is larger than the sum of its proper divisors (105721199166796).

131122343220404 is a wasteful number, since it uses less digits than its factorization.

131122343220404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256932 (or 256930 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 131122343220404 its reverse (404022343221131), we get a palindrome (535144686441535).

The spelling of 131122343220404 in words is "one hundred thirty-one trillion, one hundred twenty-two billion, three hundred forty-three million, two hundred twenty thousand, four hundred four".