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212323302101173 is a prime number
BaseRepresentation
bin110000010001101101011110…
…111111111101000010110101
31000211202220112222122120121011
4300101231132333331002311
5210312201110314214143
62031323551201352221
762502565234002544
oct6021553677750265
91024686488576534
10212323302101173
116171a8968629aa
121b991818338671
1391620033217c3
143a607073d215b
15198303a254e9d
hexc11b5effd0b5

212323302101173 has 2 divisors, whose sum is σ = 212323302101174. Its totient is φ = 212323302101172.

The previous prime is 212323302101147. The next prime is 212323302101177. The reversal of 212323302101173 is 371101203323212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193128888114724 + 19194413986449 = 13897082^2 + 4381143^2 .

It is a cyclic number.

It is not a de Polignac number, because 212323302101173 - 221 = 212323300004021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212323302101177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106161651050586 + 106161651050587.

It is an arithmetic number, because the mean of its divisors is an integer number (106161651050587).

Almost surely, 2212323302101173 is an apocalyptic number.

It is an amenable number.

212323302101173 is a deficient number, since it is larger than the sum of its proper divisors (1).

212323302101173 is an equidigital number, since it uses as much as digits as its factorization.

212323302101173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

Adding to 212323302101173 its reverse (371101203323212), we get a palindrome (583424505424385).

The spelling of 212323302101173 in words is "two hundred twelve trillion, three hundred twenty-three billion, three hundred two million, one hundred one thousand, one hundred seventy-three".