131111132232 has 16 divisors (see below), whose sum is σ = 327777830640. Its totient is φ = 43703710736.

The previous prime is 131111132219. The next prime is 131111132237. The reversal of 131111132232 is 232231111131.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 131111132199 and 131111132208.

It is not an unprimeable number, because it can be changed into a prime (131111132237) 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, 2731481898 + ... + 2731481945.

It is an arithmetic number, because the mean of its divisors is an integer number (20486114415).

Almost surely, 2^131111132232 is an apocalyptic number.

131111132232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131111132232 is an abundant number, since it is smaller than the sum of its proper divisors (196666698408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131111132232 is a wasteful number, since it uses less digits than its factorization.

131111132232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5462963852 (or 5462963848 counting only the distinct ones).

The product of its digits is 216, while the sum is 21.

Adding to 131111132232 its reverse (232231111131), we get a palindrome (363342243363).

The spelling of 131111132232 in words is "one hundred thirty-one billion, one hundred eleven million, one hundred thirty-two thousand, two hundred thirty-two".