131343227 has 2 divisors, whose sum is σ = 131343228. Its totient is φ = 131343226.

The previous prime is 131343221. The next prime is 131343253. The reversal of 131343227 is 722343131.

It is an a-pointer prime, because the next prime (131343253) can be obtained adding 131343227 to its sum of digits (26).

It is a weak prime.

It is an emirp because it is prime and its reverse (722343131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131343227 - 2⁴ = 131343211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131343196 and 131343205.

It is not a weakly prime, because it can be changed into another prime (131343221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65671613 + 65671614.

It is an arithmetic number, because the mean of its divisors is an integer number (65671614).

Almost surely, 2^131343227 is an apocalyptic number.

131343227 is a deficient number, since it is larger than the sum of its proper divisors (1).

131343227 is an equidigital number, since it uses as much as digits as its factorization.

131343227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 26.

The square root of 131343227 is about 11460.5072749857. The cubic root of 131343227 is about 508.3184744798.

Adding to 131343227 its reverse (722343131), we get a palindrome (853686358).

It can be divided in two parts, 13134 and 3227, that added together give a palindrome (16361).

The spelling of 131343227 in words is "one hundred thirty-one million, three hundred forty-three thousand, two hundred twenty-seven".