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10312410221 is a prime number
BaseRepresentation
bin10011001101010101…
…01110010001101101
3222121200121201101022
421212222232101231
5132104434111341
64423142423525
7513360016631
oct114652562155
928550551338
1010312410221
1144120a5483
121bb9731ba5
13c84641ba9
146db846dc1
1540551de4b
hex266aae46d

10312410221 has 2 divisors, whose sum is σ = 10312410222. Its totient is φ = 10312410220.

The previous prime is 10312410191. The next prime is 10312410223. The reversal of 10312410221 is 12201421301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8646954121 + 1665456100 = 92989^2 + 40810^2 .

It is a cyclic number.

It is not a de Polignac number, because 10312410221 - 210 = 10312409197 is a prime.

Together with 10312410223, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10312410221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10312410223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5156205110 + 5156205111.

It is an arithmetic number, because the mean of its divisors is an integer number (5156205111).

Almost surely, 210312410221 is an apocalyptic number.

It is an amenable number.

10312410221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10312410221 is an equidigital number, since it uses as much as digits as its factorization.

10312410221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10312410221 its reverse (12201421301), we get a palindrome (22513831522).

The spelling of 10312410221 in words is "ten billion, three hundred twelve million, four hundred ten thousand, two hundred twenty-one".