131307487287 has 8 divisors (see below), whose sum is σ = 175727493360. Its totient is φ = 87212903040.

The previous prime is 131307487279. The next prime is 131307487291. The reversal of 131307487287 is 782784703131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131307487287 - 2³ = 131307487279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131307487237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81354514 + ... + 81356127.

It is an arithmetic number, because the mean of its divisors is an integer number (21965936670).

Almost surely, 2^131307487287 is an apocalyptic number.

131307487287 is a deficient number, since it is larger than the sum of its proper divisors (44420006073).

131307487287 is a wasteful number, since it uses less digits than its factorization.

131307487287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162710913.

The product of its (nonzero) digits is 1580544, while the sum is 51.

The spelling of 131307487287 in words is "one hundred thirty-one billion, three hundred seven million, four hundred eighty-seven thousand, two hundred eighty-seven".