131303104 has 84 divisors (see below), whose sum is σ = 286959040. Its totient is φ = 59535360.

The previous prime is 131303093. The next prime is 131303119. The reversal of 131303104 is 401303131.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 573262 + ... + 573490.

Almost surely, 2^131303104 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 131303104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143479520).

131303104 is an abundant number, since it is smaller than the sum of its proper divisors (155655936).

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

131303104 is a wasteful number, since it uses less digits than its factorization.

131303104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 131303104 is about 11458.7566515744. The cubic root of 131303104 is about 508.2667084828.

Adding to 131303104 its reverse (401303131), we get a palindrome (532606235).

The spelling of 131303104 in words is "one hundred thirty-one million, three hundred three thousand, one hundred four".