131203 has 2 divisors, whose sum is σ = 131204. Its totient is φ = 131202.

The previous prime is 131171. The next prime is 131213. The reversal of 131203 is 302131.

It is an a-pointer prime, because the next prime (131213) can be obtained adding 131203 to its sum of digits (10).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131203 - 2⁵ = 131171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131203.

It is not a weakly prime, because it can be changed into another prime (131213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65601 + 65602.

It is an arithmetic number, because the mean of its divisors is an integer number (65602).

2¹³¹²⁰³ is an apocalyptic number.

131203 is a deficient number, since it is larger than the sum of its proper divisors (1).

131203 is an equidigital number, since it uses as much as digits as its factorization.

131203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 131203 is about 362.2195466841. The cubic root of 131203 is about 50.8137510049.

Adding to 131203 its reverse (302131), we get a palindrome (433334).

The spelling of 131203 in words is "one hundred thirty-one thousand, two hundred three".