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430021313 is a prime number
BaseRepresentation
bin11001101000011…
…001101011000001
31002222011100100022
4121220121223001
51340041140223
6110400503225
713441056311
oct3150315301
91088140308
10430021313
11200810417
1210001ab15
136b1231a7
144117b441
1527b43ac8
hex19a19ac1

430021313 has 2 divisors, whose sum is σ = 430021314. Its totient is φ = 430021312.

The previous prime is 430021303. The next prime is 430021321. The reversal of 430021313 is 313120034.

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., 381342784 + 48678529 = 19528^2 + 6977^2 .

It is a cyclic number.

It is not a de Polignac number, because 430021313 - 24 = 430021297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 430021291 and 430021300.

It is not a weakly prime, because it can be changed into another prime (430021303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215010656 + 215010657.

It is an arithmetic number, because the mean of its divisors is an integer number (215010657).

Almost surely, 2430021313 is an apocalyptic number.

It is an amenable number.

430021313 is a deficient number, since it is larger than the sum of its proper divisors (1).

430021313 is an equidigital number, since it uses as much as digits as its factorization.

430021313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 430021313 is about 20736.9552490234. The cubic root of 430021313 is about 754.7967015455.

Adding to 430021313 its reverse (313120034), we get a palindrome (743141347).

The spelling of 430021313 in words is "four hundred thirty million, twenty-one thousand, three hundred thirteen".