131336327 has 4 divisors (see below), whose sum is σ = 132206256. Its totient is φ = 130466400.

The previous prime is 131336323. The next prime is 131336329. The reversal of 131336327 is 723633131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 723633131 = 13 ⋅55664087.

It is a cyclic number.

It is not a de Polignac number, because 131336327 - 2² = 131336323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131336327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131336323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434738 + ... + 435039.

It is an arithmetic number, because the mean of its divisors is an integer number (33051564).

Almost surely, 2^131336327 is an apocalyptic number.

131336327 is a deficient number, since it is larger than the sum of its proper divisors (869929).

131336327 is an equidigital number, since it uses as much as digits as its factorization.

131336327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869928.

The product of its digits is 6804, while the sum is 29.

The square root of 131336327 is about 11460.2062372367. The cubic root of 131336327 is about 508.3095729705.

Adding to 131336327 its product of digits (6804), we get a palindrome (131343131).

Adding to 131336327 its reverse (723633131), we get a palindrome (854969458).

The spelling of 131336327 in words is "one hundred thirty-one million, three hundred thirty-six thousand, three hundred twenty-seven".