131227 has 4 divisors (see below), whose sum is σ = 131976. Its totient is φ = 130480.

The previous prime is 131221. The next prime is 131231. The reversal of 131227 is 722131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 722131 = 23 ⋅31397.

It is a cyclic number.

It is not a de Polignac number, because 131227 - 2¹⁵ = 98459 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 131227.

It is not an unprimeable number, because it can be changed into a prime (131221) 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, 48 + ... + 514.

It is an arithmetic number, because the mean of its divisors is an integer number (32994).

2¹³¹²²⁷ is an apocalyptic number.

131227 is a deficient number, since it is larger than the sum of its proper divisors (749).

131227 is an equidigital number, since it uses as much as digits as its factorization.

131227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748.

The product of its digits is 84, while the sum is 16.

The square root of 131227 is about 362.2526742482. The cubic root of 131227 is about 50.8168491446.

Adding to 131227 its reverse (722131), we get a palindrome (853358).

It can be divided in two parts, 13 and 1227, that multiplied together give a palindrome (15951).

The spelling of 131227 in words is "one hundred thirty-one thousand, two hundred twenty-seven".