71231341 has 2 divisors, whose sum is σ = 71231342. Its totient is φ = 71231340.

The previous prime is 71231333. The next prime is 71231357. The reversal of 71231341 is 14313217.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40373316 + 30858025 = 6354^2 + 5555^2 .

It is an emirp because it is prime and its reverse (14313217) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71231341 - 2³ = 71231333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71231141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35615670 + 35615671.

It is an arithmetic number, because the mean of its divisors is an integer number (35615671).

Almost surely, 2^71231341 is an apocalyptic number.

It is an amenable number.

71231341 is a deficient number, since it is larger than the sum of its proper divisors (1).

71231341 is an equidigital number, since it uses as much as digits as its factorization.

71231341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 22.

The square root of 71231341 is about 8439.8661719248. The cubic root of 71231341 is about 414.5310248817.

Adding to 71231341 its reverse (14313217), we get a palindrome (85544558).

It can be divided in two parts, 7123 and 1341, that added together give a square (8464 = 92²).

The spelling of 71231341 in words is "seventy-one million, two hundred thirty-one thousand, three hundred forty-one".