131316 has 24 divisors (see below), whose sum is σ = 317184. Its totient is φ = 42240.

The previous prime is 131311. The next prime is 131317. The reversal of 131316 is 613131.

131316 is nontrivially palindromic in base 5.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 131295 and 131304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131311) by changing a digit.

131316 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196 + ... + 548.

It is an arithmetic number, because the mean of its divisors is an integer number (13216).

2¹³¹³¹⁶ is an apocalyptic number.

It is an amenable number.

131316 is an abundant number, since it is smaller than the sum of its proper divisors (185868).

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

131316 is a wasteful number, since it uses less digits than its factorization.

131316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391 (or 389 counting only the distinct ones).

The product of its digits is 54, while the sum is 15.

The square root of 131316 is about 362.3754958603. The cubic root of 131316 is about 50.8283347828.

Adding to 131316 its reverse (613131), we get a palindrome (744447).

The spelling of 131316 in words is "one hundred thirty-one thousand, three hundred sixteen".