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13101121230181 is a prime number
BaseRepresentation
bin1011111010100101011110…
…1011010101010101100101
31201101110021122221021011221
42332221113223111111211
53204122044013331211
643510323315300341
72521344666024505
oct276512753252545
951343248837157
1013101121230181
1141a1177430706
121577102baa6b1
1374057986cb6a
14334151d4da05
1517abcc04cc71
hexbea57ad5565

13101121230181 has 2 divisors, whose sum is σ = 13101121230182. Its totient is φ = 13101121230180.

The previous prime is 13101121230161. The next prime is 13101121230191. The reversal of 13101121230181 is 18103212110131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8171651132100 + 4929470098081 = 2858610^2 + 2220241^2 .

It is an emirp because it is prime and its reverse (18103212110131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13101121230181 - 211 = 13101121228133 is a prime.

It is a super-2 number, since 2×131011212301812 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13101121230161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6550560615090 + 6550560615091.

It is an arithmetic number, because the mean of its divisors is an integer number (6550560615091).

Almost surely, 213101121230181 is an apocalyptic number.

It is an amenable number.

13101121230181 is a deficient number, since it is larger than the sum of its proper divisors (1).

13101121230181 is an equidigital number, since it uses as much as digits as its factorization.

13101121230181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 13101121230181 in words is "thirteen trillion, one hundred one billion, one hundred twenty-one million, two hundred thirty thousand, one hundred eighty-one".