131770718817 has 16 divisors (see below), whose sum is σ = 177415934592. Its totient is φ = 86989996800.

The previous prime is 131770718809. The next prime is 131770718831. The reversal of 131770718817 is 718817077131.

It is not a de Polignac number, because 131770718817 - 2³ = 131770718809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131770718817.

It is not an unprimeable number, because it can be changed into a prime (131770718917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315208 + ... + 602409.

It is an arithmetic number, because the mean of its divisors is an integer number (11088495912).

Almost surely, 2^131770718817 is an apocalyptic number.

It is an amenable number.

131770718817 is a deficient number, since it is larger than the sum of its proper divisors (45645215775).

131770718817 is a wasteful number, since it uses less digits than its factorization.

131770718817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918088.

The product of its (nonzero) digits is 460992, while the sum is 51.

The spelling of 131770718817 in words is "one hundred thirty-one billion, seven hundred seventy million, seven hundred eighteen thousand, eight hundred seventeen".