131063513240609 has 16 divisors (see below), whose sum is σ = 134405043776640. Its totient is φ = 127728952621440.

The previous prime is 131063513240599. The next prime is 131063513240641. The reversal of 131063513240609 is 906042315360131.

It is not a de Polignac number, because 131063513240609 - 2⁸ = 131063513240353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131063513240609.

It is not an unprimeable number, because it can be changed into a prime (131063513240659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146119154 + ... + 147013380.

It is an arithmetic number, because the mean of its divisors is an integer number (8400315236040).

Almost surely, 2^{131063513240609} is an apocalyptic number.

It is an amenable number.

131063513240609 is a deficient number, since it is larger than the sum of its proper divisors (3341530536031).

131063513240609 is a wasteful number, since it uses less digits than its factorization.

131063513240609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898120.

The product of its (nonzero) digits is 349920, while the sum is 44.

The spelling of 131063513240609 in words is "one hundred thirty-one trillion, sixty-three billion, five hundred thirteen million, two hundred forty thousand, six hundred nine".