131233310209 has 2 divisors, whose sum is σ = 131233310210. Its totient is φ = 131233310208.

The previous prime is 131233310191. The next prime is 131233310227. The reversal of 131233310209 is 902013332131.

It is a balanced prime because it is at equal distance from previous prime (131233310191) and next prime (131233310227).

It can be written as a sum of positive squares in only one way, i.e., 122309673984 + 8923636225 = 349728^2 + 94465^2 .

It is a cyclic number.

It is not a de Polignac number, because 131233310209 - 2¹⁷ = 131233179137 is a prime.

It is not a weakly prime, because it can be changed into another prime (131233313209) 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 as a sum of consecutive naturals, namely, 65616655104 + 65616655105.

It is an arithmetic number, because the mean of its divisors is an integer number (65616655105).

Almost surely, 2^131233310209 is an apocalyptic number.

It is an amenable number.

131233310209 is a deficient number, since it is larger than the sum of its proper divisors (1).

131233310209 is an equidigital number, since it uses as much as digits as its factorization.

131233310209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 131233310209 in words is "one hundred thirty-one billion, two hundred thirty-three million, three hundred ten thousand, two hundred nine".