131342512 has 80 divisors (see below), whose sum is σ = 308408832. Its totient is φ = 52968960.

The previous prime is 131342501. The next prime is 131342513. The reversal of 131342512 is 215243131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (131342513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172212 + ... + 172972.

Almost surely, 2^131342512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131342512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154204416).

131342512 is an abundant number, since it is smaller than the sum of its proper divisors (177066320).

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

131342512 is a wasteful number, since it uses less digits than its factorization.

131342512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866 (or 860 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 131342512 is about 11460.4760808616. The cubic root of 131342512 is about 508.3175520915.

Adding to 131342512 its reverse (215243131), we get a palindrome (346585643).

The spelling of 131342512 in words is "one hundred thirty-one million, three hundred forty-two thousand, five hundred twelve".