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10030310221 is a prime number
BaseRepresentation
bin10010101011101101…
…00110001101001101
3221220000210112221011
421111312212031031
5131020224411341
64335144205221
7503363141641
oct112566461515
927800715834
1010030310221
114287937588
121b3b169811
13c3b070709
146b21b2c21
153da898b81
hex255da634d

10030310221 has 2 divisors, whose sum is σ = 10030310222. Its totient is φ = 10030310220.

The previous prime is 10030310201. The next prime is 10030310237. The reversal of 10030310221 is 12201303001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10002800196 + 27510025 = 100014^2 + 5245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10030310221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10030310201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5015155110 + 5015155111.

It is an arithmetic number, because the mean of its divisors is an integer number (5015155111).

Almost surely, 210030310221 is an apocalyptic number.

It is an amenable number.

10030310221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10030310221 is an equidigital number, since it uses as much as digits as its factorization.

10030310221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 10030310221 its reverse (12201303001), we get a palindrome (22231613222).

The spelling of 10030310221 in words is "ten billion, thirty million, three hundred ten thousand, two hundred twenty-one".