131243031232 has 14 divisors (see below), whose sum is σ = 260435390228. Its totient is φ = 65621515584.

The previous prime is 131243031229. The next prime is 131243031233. The reversal of 131243031232 is 232130342131.

It is a junction number, because it is equal to n+sod(n) for n = 131243031197 and 131243031206.

It is not an unprimeable number, because it can be changed into a prime (131243031233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025336118 + ... + 1025336245.

Almost surely, 2^131243031232 is an apocalyptic number.

It is an amenable number.

131243031232 is a deficient number, since it is larger than the sum of its proper divisors (129192358996).

131243031232 is an equidigital number, since it uses as much as digits as its factorization.

131243031232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050672375 (or 2050672365 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 131243031232 its reverse (232130342131), we get a palindrome (363373373363).

The spelling of 131243031232 in words is "one hundred thirty-one billion, two hundred forty-three million, thirty-one thousand, two hundred thirty-two".