131344223 has 4 divisors (see below), whose sum is σ = 131370408. Its totient is φ = 131318040.

The previous prime is 131344201. The next prime is 131344247. The reversal of 131344223 is 322443131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131344223 - 2⁸ = 131343967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131344253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2948 + ... + 16473.

It is an arithmetic number, because the mean of its divisors is an integer number (32842602).

Almost surely, 2^131344223 is an apocalyptic number.

131344223 is a deficient number, since it is larger than the sum of its proper divisors (26185).

131344223 is an equidigital number, since it uses as much as digits as its factorization.

131344223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26184.

The product of its digits is 1728, while the sum is 23.

The square root of 131344223 is about 11460.5507284772. The cubic root of 131344223 is about 508.3197593676.

Adding to 131344223 its reverse (322443131), we get a palindrome (453787354).

The spelling of 131344223 in words is "one hundred thirty-one million, three hundred forty-four thousand, two hundred twenty-three".