131203441 has 4 divisors (see below), whose sum is σ = 131454832. Its totient is φ = 130952052.

The previous prime is 131203381. The next prime is 131203451. The reversal of 131203441 is 144302131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131203441 - 2¹⁷ = 131072369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131203451) 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, 124911 + ... + 125956.

It is an arithmetic number, because the mean of its divisors is an integer number (32863708).

Almost surely, 2^131203441 is an apocalyptic number.

It is an amenable number.

131203441 is a deficient number, since it is larger than the sum of its proper divisors (251391).

131203441 is an equidigital number, since it uses as much as digits as its factorization.

131203441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251390.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 131203441 is about 11454.4070558017. The cubic root of 131203441 is about 508.1380793665.

Adding to 131203441 its reverse (144302131), we get a palindrome (275505572).

It can be divided in two parts, 13120 and 3441, that added together give a palindrome (16561).

The spelling of 131203441 in words is "one hundred thirty-one million, two hundred three thousand, four hundred forty-one".