131166145134043 has 2 divisors, whose sum is σ = 131166145134044. Its totient is φ = 131166145134042.

The previous prime is 131166145134029. The next prime is 131166145134097. The reversal of 131166145134043 is 340431541661131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131166145134043 - 2⁴⁵ = 95981773045211 is a prime.

It is not a weakly prime, because it can be changed into another prime (131166745134043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65583072567021 + 65583072567022.

It is an arithmetic number, because the mean of its divisors is an integer number (65583072567022).

Almost surely, 2^{131166145134043} is an apocalyptic number.

131166145134043 is a deficient number, since it is larger than the sum of its proper divisors (1).

131166145134043 is an equidigital number, since it uses as much as digits as its factorization.

131166145134043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 43.

Adding to 131166145134043 its reverse (340431541661131), we get a palindrome (471597686795174).

The spelling of 131166145134043 in words is "one hundred thirty-one trillion, one hundred sixty-six billion, one hundred forty-five million, one hundred thirty-four thousand, forty-three".