131304124 has 72 divisors (see below), whose sum is σ = 285958512. Its totient is φ = 52416000.

The previous prime is 131304113. The next prime is 131304139. The reversal of 131304124 is 421403131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 522999 + ... + 523249.

It is an arithmetic number, because the mean of its divisors is an integer number (3971646).

Almost surely, 2^131304124 is an apocalyptic number.

131304124 is a gapful number since it is divisible by the number (14) 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 131304124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142979256).

131304124 is an abundant number, since it is smaller than the sum of its proper divisors (154654388).

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

131304124 is a wasteful number, since it uses less digits than its factorization.

131304124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443 (or 434 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 131304124 is about 11458.8011589346. The cubic root of 131304124 is about 508.2680245997.

Adding to 131304124 its reverse (421403131), we get a palindrome (552707255).

The spelling of 131304124 in words is "one hundred thirty-one million, three hundred four thousand, one hundred twenty-four".