131211111132 has 36 divisors (see below), whose sum is σ = 333133664136. Its totient is φ = 43544360160.

The previous prime is 131211111079. The next prime is 131211111151. The reversal of 131211111132 is 231111112131.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8019919 + ... + 8036262.

Almost surely, 2^131211111132 is an apocalyptic number.

131211111132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131211111132 is an abundant number, since it is smaller than the sum of its proper divisors (201922553004).

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

131211111132 is a wasteful number, since it uses less digits than its factorization.

131211111132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16056418 (or 16056413 counting only the distinct ones).

The product of its digits is 36, while the sum is 18.

Adding to 131211111132 its reverse (231111112131), we get a palindrome (362322223263).

Subtracting 131211111132 from its reverse (231111112131), we obtain a palindrome (99900000999).

The spelling of 131211111132 in words is "one hundred thirty-one billion, two hundred eleven million, one hundred eleven thousand, one hundred thirty-two".