131303223 has 24 divisors (see below), whose sum is σ = 201474000. Its totient is φ = 82116864.

The previous prime is 131303203. The next prime is 131303239. The reversal of 131303223 is 322303131.

It is not a de Polignac number, because 131303223 - 2⁸ = 131302967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131303196 and 131303205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131303203) 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 23 ways as a sum of consecutive naturals, for example, 52168 + ... + 54626.

It is an arithmetic number, because the mean of its divisors is an integer number (8394750).

Almost surely, 2^131303223 is an apocalyptic number.

131303223 is a deficient number, since it is larger than the sum of its proper divisors (70170777).

131303223 is a wasteful number, since it uses less digits than its factorization.

131303223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831 (or 2828 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 131303223 is about 11458.7618441086. The cubic root of 131303223 is about 508.2668620301.

Adding to 131303223 its reverse (322303131), we get a palindrome (453606354).

The spelling of 131303223 in words is "one hundred thirty-one million, three hundred three thousand, two hundred twenty-three".