131712013 has 8 divisors (see below), whose sum is σ = 134164800. Its totient is φ = 129266688.

The previous prime is 131712011. The next prime is 131712019. The reversal of 131712013 is 310217131.

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 131712013 - 2¹ = 131712011 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 (131712011) 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, 43920 + ... + 46822.

It is an arithmetic number, because the mean of its divisors is an integer number (16770600).

Almost surely, 2^131712013 is an apocalyptic number.

It is an amenable number.

131712013 is a deficient number, since it is larger than the sum of its proper divisors (2452787).

131712013 is an equidigital number, since it uses as much as digits as its factorization.

131712013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3731.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 131712013 is about 11476.5854242453. The cubic root of 131712013 is about 508.7937827323.

Adding to 131712013 its reverse (310217131), we get a palindrome (441929144).

The spelling of 131712013 in words is "one hundred thirty-one million, seven hundred twelve thousand, thirteen".