131101313232 has 80 divisors (see below), whose sum is σ = 347940865280. Its totient is φ = 42506021376.

The previous prime is 131101313197. The next prime is 131101313243. The reversal of 131101313232 is 232313101131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131101313199 and 131101313208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6779994 + ... + 6799302.

It is an arithmetic number, because the mean of its divisors is an integer number (4349260816).

Almost surely, 2^131101313232 is an apocalyptic number.

131101313232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131101313232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173970432640).

131101313232 is an abundant number, since it is smaller than the sum of its proper divisors (216839552048).

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

131101313232 is a wasteful number, since it uses less digits than its factorization.

131101313232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23180 (or 23174 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 131101313232 its reverse (232313101131), we get a palindrome (363414414363).

The spelling of 131101313232 in words is "one hundred thirty-one billion, one hundred one million, three hundred thirteen thousand, two hundred thirty-two".