131222042241424 has 20 divisors (see below), whose sum is σ = 254243040796800. Its totient is φ = 65610934939040.

The previous prime is 131222042241413. The next prime is 131222042241439. The reversal of 131222042241424 is 424142240222131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 131222042241424.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8216229 + ... + 18164539.

It is an arithmetic number, because the mean of its divisors is an integer number (12712152039840).

Almost surely, 2^{131222042241424} is an apocalyptic number.

It is an amenable number.

131222042241424 is a deficient number, since it is larger than the sum of its proper divisors (123020998555376).

131222042241424 is an equidigital number, since it uses as much as digits as its factorization.

131222042241424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10772718 (or 10772712 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 131222042241424 its reverse (424142240222131), we get a palindrome (555364282463555).

The spelling of 131222042241424 in words is "one hundred thirty-one trillion, two hundred twenty-two billion, forty-two million, two hundred forty-one thousand, four hundred twenty-four".