131330045577 has 16 divisors (see below), whose sum is σ = 175596069632. Its totient is φ = 87309003600.

The previous prime is 131330045537. The next prime is 131330045593. The reversal of 131330045577 is 775540033131.

It is a happy number.

It is not a de Polignac number, because 131330045577 - 2⁶ = 131330045513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131330045507) 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, 1686618 + ... + 1762764.

It is an arithmetic number, because the mean of its divisors is an integer number (10974754352).

Almost surely, 2^131330045577 is an apocalyptic number.

It is an amenable number.

131330045577 is a deficient number, since it is larger than the sum of its proper divisors (44266024055).

131330045577 is a wasteful number, since it uses less digits than its factorization.

131330045577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77748.

The product of its (nonzero) digits is 132300, while the sum is 39.

The spelling of 131330045577 in words is "one hundred thirty-one billion, three hundred thirty million, forty-five thousand, five hundred seventy-seven".