131042203 has 4 divisors (see below), whose sum is σ = 131065128. Its totient is φ = 131019280.

The previous prime is 131042189. The next prime is 131042207. The reversal of 131042203 is 302240131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 302240131 = 523 ⋅577897.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131042203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131042207) 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, 4863 + ... + 16903.

It is an arithmetic number, because the mean of its divisors is an integer number (32766282).

Almost surely, 2^131042203 is an apocalyptic number.

131042203 is a deficient number, since it is larger than the sum of its proper divisors (22925).

131042203 is a wasteful number, since it uses less digits than its factorization.

131042203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22924.

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

The square root of 131042203 is about 11447.3666404112. The cubic root of 131042203 is about 507.9298410456.

Adding to 131042203 its reverse (302240131), we get a palindrome (433282334).

The spelling of 131042203 in words is "one hundred thirty-one million, forty-two thousand, two hundred three".