131528342 has 16 divisors (see below), whose sum is σ = 216350352. Its totient is φ = 59473920.

The previous prime is 131528321. The next prime is 131528389. The reversal of 131528342 is 243825131.

It is a happy number.

131528342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 11243 + ... + 19734.

It is an arithmetic number, because the mean of its divisors is an integer number (13521897).

Almost surely, 2^131528342 is an apocalyptic number.

131528342 is a deficient number, since it is larger than the sum of its proper divisors (84822010).

131528342 is a wasteful number, since it uses less digits than its factorization.

131528342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31183.

The product of its digits is 5760, while the sum is 29.

The square root of 131528342 is about 11468.5806445262. The cubic root of 131528342 is about 508.5571702091.

The spelling of 131528342 in words is "one hundred thirty-one million, five hundred twenty-eight thousand, three hundred forty-two".