131028232 has 16 divisors (see below), whose sum is σ = 245906640. Its totient is φ = 65453136.

The previous prime is 131028193. The next prime is 131028239. The reversal of 131028232 is 232820131.

It is not an unprimeable number, because it can be changed into a prime (131028239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2263 + ... + 16345.

It is an arithmetic number, because the mean of its divisors is an integer number (15369165).

Almost surely, 2^131028232 is an apocalyptic number.

It is an amenable number.

131028232 is a deficient number, since it is larger than the sum of its proper divisors (114878408).

131028232 is a wasteful number, since it uses less digits than its factorization.

131028232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15252 (or 15248 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 131028232 is about 11446.7563964645. The cubic root of 131028232 is about 507.9117895074.

Adding to 131028232 its reverse (232820131), we get a palindrome (363848363).

The spelling of 131028232 in words is "one hundred thirty-one million, twenty-eight thousand, two hundred thirty-two".