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1230110223281 is a prime number
BaseRepresentation
bin10001111001101000010…
…010000110101110110001
311100121010111101221021022
4101321220102012232301
5130123231204121111
62341034351105225
7154605164243402
oct21715022065661
94317114357238
101230110223281
11434761174545
1217a4a1512215
138bcca762984
14437754659a9
1521ee83382db
hex11e68486bb1

1230110223281 has 2 divisors, whose sum is σ = 1230110223282. Its totient is φ = 1230110223280.

The previous prime is 1230110223271. The next prime is 1230110223359. The reversal of 1230110223281 is 1823220110321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 738731655025 + 491378568256 = 859495^2 + 700984^2 .

It is an emirp because it is prime and its reverse (1823220110321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1230110223281 is a prime.

It is a super-2 number, since 2×12301102232812 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1230110223281.

It is not a weakly prime, because it can be changed into another prime (1230110223271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615055111640 + 615055111641.

It is an arithmetic number, because the mean of its divisors is an integer number (615055111641).

Almost surely, 21230110223281 is an apocalyptic number.

It is an amenable number.

1230110223281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230110223281 is an equidigital number, since it uses as much as digits as its factorization.

1230110223281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 1230110223281 in words is "one trillion, two hundred thirty billion, one hundred ten million, two hundred twenty-three thousand, two hundred eighty-one".