131330203 has 4 divisors (see below), whose sum is σ = 131354440. Its totient is φ = 131305968.

The previous prime is 131330201. The next prime is 131330273. The reversal of 131330203 is 302033131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302033131 = 281 ⋅1074851.

It is a cyclic number.

It is not a de Polignac number, because 131330203 - 2¹ = 131330201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131330201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151 + ... + 16207.

It is an arithmetic number, because the mean of its divisors is an integer number (32838610).

Almost surely, 2^131330203 is an apocalyptic number.

131330203 is a deficient number, since it is larger than the sum of its proper divisors (24237).

131330203 is an equidigital number, since it uses as much as digits as its factorization.

131330203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24236.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 131330203 is about 11459.9390487035. The cubic root of 131330203 is about 508.3016722972.

Adding to 131330203 its reverse (302033131), we get a palindrome (433363334).

The spelling of 131330203 in words is "one hundred thirty-one million, three hundred thirty thousand, two hundred three".