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30124313 is a prime number
BaseRepresentation
bin111001011101…
…0100100011001
32002200110210022
41302322210121
530202434223
62553400225
7514023662
oct162724431
962613708
1030124313
111600592a
12a109075
13631974b
144002369
1529a0ac8
hex1cba919

30124313 has 2 divisors, whose sum is σ = 30124314. Its totient is φ = 30124312.

The previous prime is 30124249. The next prime is 30124333. The reversal of 30124313 is 31342103.

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., 25120144 + 5004169 = 5012^2 + 2237^2 .

It is a cyclic number.

It is not a de Polignac number, because 30124313 - 26 = 30124249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30124291 and 30124300.

It is not a weakly prime, because it can be changed into another prime (30124333) 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, 15062156 + 15062157.

It is an arithmetic number, because the mean of its divisors is an integer number (15062157).

Almost surely, 230124313 is an apocalyptic number.

It is an amenable number.

30124313 is a deficient number, since it is larger than the sum of its proper divisors (1).

30124313 is an equidigital number, since it uses as much as digits as its factorization.

30124313 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 30124313 is about 5488.5620156832. The cubic root of 30124313 is about 311.1518473539.

Adding to 30124313 its reverse (31342103), we get a palindrome (61466416).

The spelling of 30124313 in words is "thirty million, one hundred twenty-four thousand, three hundred thirteen".