131143 has 2 divisors, whose sum is σ = 131144. Its totient is φ = 131142.

The previous prime is 131129. The next prime is 131149. The reversal of 131143 is 341131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131143 - 2⁵ = 131111 is a prime.

It is a plaindrome in base 13 and base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65571 + 65572.

It is an arithmetic number, because the mean of its divisors is an integer number (65572).

2¹³¹¹⁴³ is an apocalyptic number.

131143 is a deficient number, since it is larger than the sum of its proper divisors (1).

131143 is an equidigital number, since it uses as much as digits as its factorization.

131143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36, while the sum is 13.

The square root of 131143 is about 362.1367145154. The cubic root of 131143 is about 50.8060040024.

Adding to 131143 its reverse (341131), we get a palindrome (472274).

It can be divided in two parts, 13 and 1143, that added together give a square (1156 = 34²).

The spelling of 131143 in words is "one hundred thirty-one thousand, one hundred forty-three".