131242232224 has 24 divisors (see below), whose sum is σ = 262022348448. Its totient is φ = 64696873920.

The previous prime is 131242232201. The next prime is 131242232227. The reversal of 131242232224 is 422232242131.

It is a junction number, because it is equal to n+sod(n) for n = 131242232192 and 131242232201.

It is not an unprimeable number, because it can be changed into a prime (131242232227) 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 in 3 ways as a sum of consecutive naturals, for example, 28880262 + ... + 28884805.

It is an arithmetic number, because the mean of its divisors is an integer number (10917597852).

Almost surely, 2^131242232224 is an apocalyptic number.

It is an amenable number.

131242232224 is a deficient number, since it is larger than the sum of its proper divisors (130780116224).

131242232224 is an equidigital number, since it uses as much as digits as its factorization.

131242232224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57765148 (or 57765140 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

Adding to 131242232224 its reverse (422232242131), we get a palindrome (553474474355).

The spelling of 131242232224 in words is "one hundred thirty-one billion, two hundred forty-two million, two hundred thirty-two thousand, two hundred twenty-four".