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30102313231 is a prime number
BaseRepresentation
bin11100000010001111…
…001101100100001111
32212200212210221202001
4130002033031210033
5443122143010411
621455005013131
72113651304104
oct340217154417
985625727661
1030102313231
1111847a75521
125a012541a7
132ab9638783
141657c7caab
15bb2ad8dc1
hex7023cd90f

30102313231 has 2 divisors, whose sum is σ = 30102313232. Its totient is φ = 30102313230.

The previous prime is 30102313217. The next prime is 30102313243. The reversal of 30102313231 is 13231320103.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30102313231 - 215 = 30102280463 is a prime.

It is a super-2 number, since 2×301023132312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30102313199 and 30102313208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30102313931) 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, 15051156615 + 15051156616.

It is an arithmetic number, because the mean of its divisors is an integer number (15051156616).

Almost surely, 230102313231 is an apocalyptic number.

30102313231 is a deficient number, since it is larger than the sum of its proper divisors (1).

30102313231 is an equidigital number, since it uses as much as digits as its factorization.

30102313231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30102313231 its reverse (13231320103), we get a palindrome (43333633334).

The spelling of 30102313231 in words is "thirty billion, one hundred two million, three hundred thirteen thousand, two hundred thirty-one".