131200133224 has 8 divisors (see below), whose sum is σ = 246000249810. Its totient is φ = 65600066608.

The previous prime is 131200133201. The next prime is 131200133261. The reversal of 131200133224 is 422331002131.

It can be written as a sum of positive squares in only one way, i.e., 113177070724 + 18023062500 = 336418^2 + 134250^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 131200133195 and 131200133204.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8200008319 + ... + 8200008334.

Almost surely, 2^131200133224 is an apocalyptic number.

It is an amenable number.

131200133224 is a deficient number, since it is larger than the sum of its proper divisors (114800116586).

131200133224 is a wasteful number, since it uses less digits than its factorization.

131200133224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16400016659 (or 16400016655 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 131200133224 its reverse (422331002131), we get a palindrome (553531135355).

The spelling of 131200133224 in words is "one hundred thirty-one billion, two hundred million, one hundred thirty-three thousand, two hundred twenty-four".