131808223 has 2 divisors, whose sum is σ = 131808224. Its totient is φ = 131808222.

The previous prime is 131808211. The next prime is 131808227. The reversal of 131808223 is 322808131.

It is a strong prime.

It is an emirp because it is prime and its reverse (322808131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131808223 - 2¹⁷ = 131677151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131808191 and 131808200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131808227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65904111 + 65904112.

It is an arithmetic number, because the mean of its divisors is an integer number (65904112).

Almost surely, 2^131808223 is an apocalyptic number.

131808223 is a deficient number, since it is larger than the sum of its proper divisors (1).

131808223 is an equidigital number, since it uses as much as digits as its factorization.

131808223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 131808223 is about 11480.7762368230. The cubic root of 131808223 is about 508.9176366231.

The spelling of 131808223 in words is "one hundred thirty-one million, eight hundred eight thousand, two hundred twenty-three".