131983 has 4 divisors (see below), whose sum is σ = 134280. Its totient is φ = 129688.

The previous prime is 131969. The next prime is 132001. The reversal of 131983 is 389131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 389131 = 41 ⋅9491.

It is a cyclic number.

It is not a de Polignac number, because 131983 - 2¹³ = 123791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131933) 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, 1060 + ... + 1177.

It is an arithmetic number, because the mean of its divisors is an integer number (33570).

2¹³¹⁹⁸³ is an apocalyptic number.

131983 is a deficient number, since it is larger than the sum of its proper divisors (2297).

131983 is an equidigital number, since it uses as much as digits as its factorization.

131983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296.

The product of its digits is 648, while the sum is 25.

The square root of 131983 is about 363.2946462584. The cubic root of 131983 is about 50.9142477963.

The spelling of 131983 in words is "one hundred thirty-one thousand, nine hundred eighty-three".