131011123163 has 2 divisors, whose sum is σ = 131011123164. Its totient is φ = 131011123162.

The previous prime is 131011123151. The next prime is 131011123189. The reversal of 131011123163 is 361321110131.

It is a weak prime.

It is an emirp because it is prime and its reverse (361321110131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131011123163 - 2³⁰ = 129937381339 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (131011123063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65505561581 + 65505561582.

It is an arithmetic number, because the mean of its divisors is an integer number (65505561582).

Almost surely, 2^131011123163 is an apocalyptic number.

131011123163 is a deficient number, since it is larger than the sum of its proper divisors (1).

131011123163 is an equidigital number, since it uses as much as digits as its factorization.

131011123163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 131011123163 its reverse (361321110131), we get a palindrome (492332233294).

The spelling of 131011123163 in words is "one hundred thirty-one billion, eleven million, one hundred twenty-three thousand, one hundred sixty-three".