131308 has 12 divisors (see below), whose sum is σ = 243432. Its totient is φ = 61760.

The previous prime is 131303. The next prime is 131311. The reversal of 131308 is 803131.

It is a junction number, because it is equal to n+sod(n) for n = 131291 and 131300.

It is not an unprimeable number, because it can be changed into a prime (131303) 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, 898 + ... + 1033.

It is an arithmetic number, because the mean of its divisors is an integer number (20286).

2¹³¹³⁰⁸ is an apocalyptic number.

It is an amenable number.

131308 is a deficient number, since it is larger than the sum of its proper divisors (112124).

131308 is a wasteful number, since it uses less digits than its factorization.

131308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952 (or 1950 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 131308 is about 362.3644574182. The cubic root of 131308 is about 50.8273025782.

Adding to 131308 its reverse (803131), we get a palindrome (934439).

The spelling of 131308 in words is "one hundred thirty-one thousand, three hundred eight".