131531736671 has 8 divisors (see below), whose sum is σ = 136871813760. Its totient is φ = 126295350552.

The previous prime is 131531736599. The next prime is 131531736727. The reversal of 131531736671 is 176637135131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 131531736671 - 2²⁶ = 131464627807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131531786671) 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, 25920155 + ... + 25925228.

It is an arithmetic number, because the mean of its divisors is an integer number (17108976720).

Almost surely, 2^131531736671 is an apocalyptic number.

131531736671 is a deficient number, since it is larger than the sum of its proper divisors (5340077089).

131531736671 is an equidigital number, since it uses as much as digits as its factorization.

131531736671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51845485.

The product of its digits is 238140, while the sum is 44.

The spelling of 131531736671 in words is "one hundred thirty-one billion, five hundred thirty-one million, seven hundred thirty-six thousand, six hundred seventy-one".