131265203 has 2 divisors, whose sum is σ = 131265204. Its totient is φ = 131265202.

The previous prime is 131265193. The next prime is 131265217. The reversal of 131265203 is 302562131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131265203 - 2⁴ = 131265187 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (131265263) 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, 65632601 + 65632602.

It is an arithmetic number, because the mean of its divisors is an integer number (65632602).

Almost surely, 2^131265203 is an apocalyptic number.

131265203 is a deficient number, since it is larger than the sum of its proper divisors (1).

131265203 is an equidigital number, since it uses as much as digits as its factorization.

131265203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 131265203 is about 11457.1027314937. The cubic root of 131265203 is about 508.2177995849.

The spelling of 131265203 in words is "one hundred thirty-one million, two hundred sixty-five thousand, two hundred three".