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10110131281 is a prime number
BaseRepresentation
bin10010110101001110…
…00101110001010001
3222002120222212211201
421122213011301101
5131201143200111
64351115111201
7505352461255
oct113247056121
928076885751
1010110131281
1143189a62a8
121b61a42501
13c5176a503
146bca30265
153e28b46c1
hex25a9c5c51

10110131281 has 2 divisors, whose sum is σ = 10110131282. Its totient is φ = 10110131280.

The previous prime is 10110131257. The next prime is 10110131377. The reversal of 10110131281 is 18213101101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9323833600 + 786297681 = 96560^2 + 28041^2 .

It is a cyclic number.

It is not a de Polignac number, because 10110131281 - 225 = 10076576849 is a prime.

It is a super-2 number, since 2×101101312812 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10110131881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055065640 + 5055065641.

It is an arithmetic number, because the mean of its divisors is an integer number (5055065641).

Almost surely, 210110131281 is an apocalyptic number.

It is an amenable number.

10110131281 is a deficient number, since it is larger than the sum of its proper divisors (1).

10110131281 is an equidigital number, since it uses as much as digits as its factorization.

10110131281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 10110131281 its reverse (18213101101), we get a palindrome (28323232382).

The spelling of 10110131281 in words is "ten billion, one hundred ten million, one hundred thirty-one thousand, two hundred eighty-one".