131241533224 has 8 divisors (see below), whose sum is σ = 246077874810. Its totient is φ = 65620766608.

The previous prime is 131241533207. The next prime is 131241533243. The reversal of 131241533224 is 422335142131.

It can be written as a sum of positive squares in only one way, i.e., 85449813124 + 45791720100 = 292318^2 + 213990^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8202595819 + ... + 8202595834.

Almost surely, 2^131241533224 is an apocalyptic number.

It is an amenable number.

131241533224 is a deficient number, since it is larger than the sum of its proper divisors (114836341586).

131241533224 is a wasteful number, since it uses less digits than its factorization.

131241533224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16405191659 (or 16405191655 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

Adding to 131241533224 its reverse (422335142131), we get a palindrome (553576675355).

The spelling of 131241533224 in words is "one hundred thirty-one billion, two hundred forty-one million, five hundred thirty-three thousand, two hundred twenty-four".