131553231224 has 8 divisors (see below), whose sum is σ = 246662308560. Its totient is φ = 65776615608.

The previous prime is 131553231223. The next prime is 131553231247. The reversal of 131553231224 is 422132355131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131553231223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8222076944 + ... + 8222076959.

It is an arithmetic number, because the mean of its divisors is an integer number (30832788570).

Almost surely, 2^131553231224 is an apocalyptic number.

It is an amenable number.

131553231224 is a deficient number, since it is larger than the sum of its proper divisors (115109077336).

131553231224 is a wasteful number, since it uses less digits than its factorization.

131553231224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16444153909 (or 16444153905 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

Adding to 131553231224 its reverse (422132355131), we get a palindrome (553685586355).

The spelling of 131553231224 in words is "one hundred thirty-one billion, five hundred fifty-three million, two hundred thirty-one thousand, two hundred twenty-four".