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110697287131 is a prime number
BaseRepresentation
bin110011100011000010…
…0101000110111011011
3101120201200110211111101
41213012010220313123
53303202001142011
6122504215012231
710666116262354
oct1470604506733
9346650424441
10110697287131
1142a45807272
121955436a077
13a591ac9542
145501a52d2b
152d2d4312c1
hex19c6128ddb

110697287131 has 2 divisors, whose sum is σ = 110697287132. Its totient is φ = 110697287130.

The previous prime is 110697287123. The next prime is 110697287219. The reversal of 110697287131 is 131782796011.

It is a weak prime.

It is an emirp because it is prime and its reverse (131782796011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110697287131 - 23 = 110697287123 is a prime.

It is a super-2 number, since 2×1106972871312 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (110697281131) 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, 55348643565 + 55348643566.

It is an arithmetic number, because the mean of its divisors is an integer number (55348643566).

Almost surely, 2110697287131 is an apocalyptic number.

110697287131 is a deficient number, since it is larger than the sum of its proper divisors (1).

110697287131 is an equidigital number, since it uses as much as digits as its factorization.

110697287131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 46.

The spelling of 110697287131 in words is "one hundred ten billion, six hundred ninety-seven million, two hundred eighty-seven thousand, one hundred thirty-one".