131163 has 4 divisors (see below), whose sum is σ = 174888. Its totient is φ = 87440.

The previous prime is 131149. The next prime is 131171. The reversal of 131163 is 361131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131163 - 2⁹ = 130651 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (131113) 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, 21858 + ... + 21863.

It is an arithmetic number, because the mean of its divisors is an integer number (43722).

2¹³¹¹⁶³ is an apocalyptic number.

131163 is a deficient number, since it is larger than the sum of its proper divisors (43725).

131163 is an equidigital number, since it uses as much as digits as its factorization.

131163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43724.

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

The square root of 131163 is about 362.1643273433. The cubic root of 131163 is about 50.8085865991.

Adding to 131163 its reverse (361131), we get a palindrome (492294).

It can be divided in two parts, 13 and 1163, that added together give a triangular number (1176 = T₄₈).

The spelling of 131163 in words is "one hundred thirty-one thousand, one hundred sixty-three".