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1330313 is a prime number
BaseRepresentation
bin101000100110010001001
32111120211212
411010302021
5320032223
644302505
714210315
oct5046211
92446755
101330313
11829536
12541a35
1337768a
14268b45
151b4278
hex144c89

1330313 has 2 divisors, whose sum is σ = 1330314. Its totient is φ = 1330312.

The previous prime is 1330309. The next prime is 1330321. The reversal of 1330313 is 3130331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1056784 + 273529 = 1028^2 + 523^2 .

It is an emirp because it is prime and its reverse (3130331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1330313 - 22 = 1330309 is a prime.

It is not a weakly prime, because it can be changed into another prime (1330393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665156 + 665157.

It is an arithmetic number, because the mean of its divisors is an integer number (665157).

21330313 is an apocalyptic number.

It is an amenable number.

1330313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330313 is an equidigital number, since it uses as much as digits as its factorization.

1330313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 14.

The square root of 1330313 is about 1153.3919541942. The cubic root of 1330313 is about 109.9810711231.

Adding to 1330313 its reverse (3130331), we get a palindrome (4460644).

The spelling of 1330313 in words is "one million, three hundred thirty thousand, three hundred thirteen".