131312847 has 8 divisors (see below), whose sum is σ = 175501360. Its totient is φ = 87333120.

The previous prime is 131312843. The next prime is 131312887. The reversal of 131312847 is 748213131.

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

It is not a de Polignac number, because 131312847 - 2² = 131312843 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 (131312843) 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, 50722 + ... + 53247.

It is an arithmetic number, because the mean of its divisors is an integer number (21937670).

Almost surely, 2^131312847 is an apocalyptic number.

131312847 is a deficient number, since it is larger than the sum of its proper divisors (44188513).

131312847 is a wasteful number, since it uses less digits than its factorization.

131312847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104393.

The product of its digits is 4032, while the sum is 30.

The square root of 131312847 is about 11459.1817770729. The cubic root of 131312847 is about 508.2792797014.

Adding to 131312847 its reverse (748213131), we get a palindrome (879525978).

The spelling of 131312847 in words is "one hundred thirty-one million, three hundred twelve thousand, eight hundred forty-seven".