131326203 has 16 divisors (see below), whose sum is σ = 178398720. Its totient is φ = 85916064.

The previous prime is 131326201. The next prime is 131326243. The reversal of 131326203 is 302623131.

It is not a de Polignac number, because 131326203 - 2¹ = 131326201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131326203.

It is not an unprimeable number, because it can be changed into a prime (131326201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39400 + ... + 42602.

It is an arithmetic number, because the mean of its divisors is an integer number (11149920).

Almost surely, 2^131326203 is an apocalyptic number.

131326203 is a deficient number, since it is larger than the sum of its proper divisors (47072517).

131326203 is a wasteful number, since it uses less digits than its factorization.

131326203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 131326203 is about 11459.7645263766. The cubic root of 131326203 is about 508.2965116988.

Adding to 131326203 its reverse (302623131), we get a palindrome (433949334).

The spelling of 131326203 in words is "one hundred thirty-one million, three hundred twenty-six thousand, two hundred three".