It is a strong prime.
It is a cyclic number.
Almost surely, 2131143134323449 is an apocalyptic number.
It is an amenable number.
131143134323449 is an equidigital number, since it uses as much as digits as its factorization.
131143134323449 is an evil number, because the sum of its binary digits is even.
The spelling of 131143134323449 in words is "one hundred thirty-one trillion, one hundred forty-three billion, one hundred thirty-four million, three hundred twenty-three thousand, four hundred forty-nine".