131244140106187 has 2 divisors, whose sum is σ = 131244140106188. Its totient is φ = 131244140106186.

The previous prime is 131244140106181. The next prime is 131244140106263. The reversal of 131244140106187 is 781601041442131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131244140106187 - 2³¹ = 131241992622539 is a prime.

It is not a weakly prime, because it can be changed into another prime (131244140106181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65622070053093 + 65622070053094.

It is an arithmetic number, because the mean of its divisors is an integer number (65622070053094).

Almost surely, 2^{131244140106187} is an apocalyptic number.

131244140106187 is a deficient number, since it is larger than the sum of its proper divisors (1).

131244140106187 is an equidigital number, since it uses as much as digits as its factorization.

131244140106187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 43.

The spelling of 131244140106187 in words is "one hundred thirty-one trillion, two hundred forty-four billion, one hundred forty million, one hundred six thousand, one hundred eighty-seven".