131111106163 has 2 divisors, whose sum is σ = 131111106164. Its totient is φ = 131111106162.

The previous prime is 131111106143. The next prime is 131111106179. The reversal of 131111106163 is 361601111131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131111106163 - 2³³ = 122521171571 is a prime.

It is not a weakly prime, because it can be changed into another prime (131111106143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65555553081 + 65555553082.

It is an arithmetic number, because the mean of its divisors is an integer number (65555553082).

Almost surely, 2^131111106163 is an apocalyptic number.

131111106163 is a deficient number, since it is larger than the sum of its proper divisors (1).

131111106163 is an equidigital number, since it uses as much as digits as its factorization.

131111106163 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 25.

Adding to 131111106163 its reverse (361601111131), we get a palindrome (492712217294).

The spelling of 131111106163 in words is "one hundred thirty-one billion, one hundred eleven million, one hundred six thousand, one hundred sixty-three".