1331327 has 2 divisors, whose sum is σ = 1331328. Its totient is φ = 1331326.

The previous prime is 1331299. The next prime is 1331329. The reversal of 1331327 is 7231331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1331327 - 2¹² = 1327231 is a prime.

Together with 1331329, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1331299 and 1331308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1331329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665663 + 665664.

It is an arithmetic number, because the mean of its divisors is an integer number (665664).

2^1331327 is an apocalyptic number.

1331327 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331327 is an equidigital number, since it uses as much as digits as its factorization.

1331327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378, while the sum is 20.

The square root of 1331327 is about 1153.8314434960. The cubic root of 1331327 is about 110.0090075268.

Adding to 1331327 its reverse (7231331), we get a palindrome (8562658).

The spelling of 1331327 in words is "one million, three hundred thirty-one thousand, three hundred twenty-seven".