131016163 has 2 divisors, whose sum is σ = 131016164. Its totient is φ = 131016162.

The previous prime is 131016157. The next prime is 131016173. The reversal of 131016163 is 361610131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131016163 is a prime.

It is not a weakly prime, because it can be changed into another prime (131016143) 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, 65508081 + 65508082.

It is an arithmetic number, because the mean of its divisors is an integer number (65508082).

Almost surely, 2^131016163 is an apocalyptic number.

131016163 is a deficient number, since it is larger than the sum of its proper divisors (1).

131016163 is an equidigital number, since it uses as much as digits as its factorization.

131016163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 131016163 is about 11446.2292044149. The cubic root of 131016163 is about 507.8961944571.

Adding to 131016163 its reverse (361610131), we get a palindrome (492626294).

The spelling of 131016163 in words is "one hundred thirty-one million, sixteen thousand, one hundred sixty-three".