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530430031 is a prime number
BaseRepresentation
bin11111100111011…
…011100001001111
31100222002122012201
4133213123201033
52041242230111
6124344542331
716100403145
oct3747334117
91328078181
10530430031
11252460a2a
121297819a7
1385b7aa31
1450637595
15318796c1
hex1f9db84f

530430031 has 2 divisors, whose sum is σ = 530430032. Its totient is φ = 530430030.

The previous prime is 530430029. The next prime is 530430041. The reversal of 530430031 is 130034035.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 530430031 - 21 = 530430029 is a prime.

It is a super-2 number, since 2×5304300312 = 562712035573321922, which contains 22 as substring.

Together with 530430029, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 530429990 and 530430008.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530430041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265215015 + 265215016.

It is an arithmetic number, because the mean of its divisors is an integer number (265215016).

Almost surely, 2530430031 is an apocalyptic number.

530430031 is a deficient number, since it is larger than the sum of its proper divisors (1).

530430031 is an equidigital number, since it uses as much as digits as its factorization.

530430031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 530430031 is about 23031.0666492023. The cubic root of 530430031 is about 809.4860484990.

Adding to 530430031 its reverse (130034035), we get a palindrome (660464066).

The spelling of 530430031 in words is "five hundred thirty million, four hundred thirty thousand, thirty-one".