131500032 has 96 divisors (see below), whose sum is σ = 371498400. Its totient is φ = 41222144.

The previous prime is 131500009. The next prime is 131500051. The reversal of 131500032 is 230005131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 131499984 and 131500020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103819 + ... + 105077.

It is an arithmetic number, because the mean of its divisors is an integer number (3869775).

Almost surely, 2^131500032 is an apocalyptic number.

131500032 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 131500032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185749200).

131500032 is an abundant number, since it is smaller than the sum of its proper divisors (239998368).

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

131500032 is a wasteful number, since it uses less digits than its factorization.

131500032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301 (or 1281 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 131500032 is about 11467.3463364459. The cubic root of 131500032 is about 508.5206805159.

Adding to 131500032 its reverse (230005131), we get a palindrome (361505163).

The spelling of 131500032 in words is "one hundred thirty-one million, five hundred thousand, thirty-two".