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20303130097 is a prime number
BaseRepresentation
bin10010111010001010…
…010010110111110001
31221101221220212120101
4102322022102313301
5313040100130342
613154354312401
71316062521055
oct227212226761
957357825511
1020303130097
118679651168
123b27588701
131bb7430363
14da8671c65
157dc6973b7
hex4ba292df1

20303130097 has 2 divisors, whose sum is σ = 20303130098. Its totient is φ = 20303130096.

The previous prime is 20303130079. The next prime is 20303130121. The reversal of 20303130097 is 79003130302.

Together with previous prime (20303130079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13333551841 + 6969578256 = 115471^2 + 83484^2 .

It is a cyclic number.

It is not a de Polignac number, because 20303130097 - 27 = 20303129969 is a prime.

It is not a weakly prime, because it can be changed into another prime (20303130007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10151565048 + 10151565049.

It is an arithmetic number, because the mean of its divisors is an integer number (10151565049).

Almost surely, 220303130097 is an apocalyptic number.

It is an amenable number.

20303130097 is a deficient number, since it is larger than the sum of its proper divisors (1).

20303130097 is an equidigital number, since it uses as much as digits as its factorization.

20303130097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 28.

Adding to 20303130097 its reverse (79003130302), we get a palindrome (99306260399).

The spelling of 20303130097 in words is "twenty billion, three hundred three million, one hundred thirty thousand, ninety-seven".