131332223 has 8 divisors (see below), whose sum is σ = 143600256. Its totient is φ = 119119000.

The previous prime is 131332211. The next prime is 131332273. The reversal of 131332223 is 322233131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131332223 - 2²⁶ = 64223359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131332195 and 131332204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131332273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8603 + ... + 18348.

It is an arithmetic number, because the mean of its divisors is an integer number (17950032).

Almost surely, 2^131332223 is an apocalyptic number.

131332223 is a deficient number, since it is larger than the sum of its proper divisors (12268033).

131332223 is a wasteful number, since it uses less digits than its factorization.

131332223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27405.

The product of its digits is 648, while the sum is 20.

The square root of 131332223 is about 11460.0271814686. The cubic root of 131332223 is about 508.3042783596.

Adding to 131332223 its reverse (322233131), we get a palindrome (453565354).

The spelling of 131332223 in words is "one hundred thirty-one million, three hundred thirty-two thousand, two hundred twenty-three".