131182223 has 4 divisors (see below), whose sum is σ = 132126120. Its totient is φ = 130238328.

The previous prime is 131182211. The next prime is 131182243. The reversal of 131182223 is 322281131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322281131 = 7477 ⋅43103.

It is a cyclic number.

It is not a de Polignac number, because 131182223 - 2⁶ = 131182159 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 (131182243) 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, 471740 + ... + 472017.

It is an arithmetic number, because the mean of its divisors is an integer number (33031530).

Almost surely, 2^131182223 is an apocalyptic number.

131182223 is a deficient number, since it is larger than the sum of its proper divisors (943897).

131182223 is an equidigital number, since it uses as much as digits as its factorization.

131182223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943896.

The product of its digits is 576, while the sum is 23.

The square root of 131182223 is about 11453.4808246227. The cubic root of 131182223 is about 508.1106861444.

The spelling of 131182223 in words is "one hundred thirty-one million, one hundred eighty-two thousand, two hundred twenty-three".