131344203 has 4 divisors (see below), whose sum is σ = 175125608. Its totient is φ = 87562800.

The previous prime is 131344201. The next prime is 131344247. The reversal of 131344203 is 302443131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302443131 = 3 ⋅100814377.

It is not a de Polignac number, because 131344203 - 2¹ = 131344201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131344203.

It is not an unprimeable number, because it can be changed into a prime (131344201) 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, 21890698 + ... + 21890703.

It is an arithmetic number, because the mean of its divisors is an integer number (43781402).

Almost surely, 2^131344203 is an apocalyptic number.

131344203 is a deficient number, since it is larger than the sum of its proper divisors (43781405).

131344203 is an equidigital number, since it uses as much as digits as its factorization.

131344203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43781404.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 131344203 is about 11460.5498559188. The cubic root of 131344203 is about 508.3197335667.

Adding to 131344203 its reverse (302443131), we get a palindrome (433787334).

The spelling of 131344203 in words is "one hundred thirty-one million, three hundred forty-four thousand, two hundred three".