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43313 is a prime number
BaseRepresentation
bin1010100100110001
32012102012
422210301
52341223
6532305
7240164
oct124461
965365
1043313
112a5a6
1221095
131693a
1411adb
15cc78
hexa931

43313 has 2 divisors, whose sum is σ = 43314. Its totient is φ = 43312.

The previous prime is 43291. The next prime is 43319. The reversal of 43313 is 31334.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43264 + 49 = 208^2 + 7^2 .

43313 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 43313 - 212 = 39217 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (43319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21656 + 21657.

It is an arithmetic number, because the mean of its divisors is an integer number (21657).

243313 is an apocalyptic number.

It is an amenable number.

43313 is a deficient number, since it is larger than the sum of its proper divisors (1).

43313 is an equidigital number, since it uses as much as digits as its factorization.

43313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 14.

The square root of 43313 is about 208.1177551292. The cubic root of 43313 is about 35.1187801113.

Adding to 43313 its reverse (31334), we get a palindrome (74647).

It can be divided in two parts, 4331 and 3, that added together give a palindrome (4334).

The spelling of 43313 in words is "forty-three thousand, three hundred thirteen".