131204203 has 16 divisors (see below), whose sum is σ = 144861696. Its totient is φ = 118085760.

The previous prime is 131204197. The next prime is 131204219. The reversal of 131204203 is 302402131.

It is a happy number.

It is not a de Polignac number, because 131204203 - 2⁹ = 131203691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131204263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131101 + ... + 132097.

It is an arithmetic number, because the mean of its divisors is an integer number (9053856).

Almost surely, 2^131204203 is an apocalyptic number.

131204203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131204203 is a deficient number, since it is larger than the sum of its proper divisors (13657493).

131204203 is a wasteful number, since it uses less digits than its factorization.

131204203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 131204203 is about 11454.4403180601. The cubic root of 131204203 is about 508.1390630817.

Adding to 131204203 its reverse (302402131), we get a palindrome (433606334).

The spelling of 131204203 in words is "one hundred thirty-one million, two hundred four thousand, two hundred three".