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30321023 is a prime number
BaseRepresentation
bin111001110101…
…0100101111111
32010001110121212
41303222211333
530230233043
63001515035
7515503325
oct163524577
963043555
1030321023
111612a6a7
12a1a2a7b
136388145
144053d15
1529de018
hex1cea97f

30321023 has 2 divisors, whose sum is σ = 30321024. Its totient is φ = 30321022.

The previous prime is 30321001. The next prime is 30321029. The reversal of 30321023 is 32012303.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30321023 - 26 = 30320959 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 30320989 and 30321007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30321029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15160511 + 15160512.

It is an arithmetic number, because the mean of its divisors is an integer number (15160512).

Almost surely, 230321023 is an apocalyptic number.

30321023 is a deficient number, since it is larger than the sum of its proper divisors (1).

30321023 is an equidigital number, since it uses as much as digits as its factorization.

30321023 is an odious number, because the sum of its binary digits is odd.

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

The square root of 30321023 is about 5506.4528509740. The cubic root of 30321023 is about 311.8276462870.

Adding to 30321023 its reverse (32012303), we get a palindrome (62333326).

The spelling of 30321023 in words is "thirty million, three hundred twenty-one thousand, twenty-three".