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115502201231 is a prime number
BaseRepresentation
bin110101110010001110…
…1111011100110001111
3102001010112202202111212
41223210131323212033
53343022030414411
6125021101005035
711226152340314
oct1534435734617
9361115682455
10115502201231
1144a90a8835a
121a47555377b
13ab79401791
145839c50d0b
15301019e68b
hex1ae477b98f

115502201231 has 2 divisors, whose sum is σ = 115502201232. Its totient is φ = 115502201230.

The previous prime is 115502201203. The next prime is 115502201273. The reversal of 115502201231 is 132102205511.

It is a weak prime.

It is an emirp because it is prime and its reverse (132102205511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-115502201231 is a prime.

It is a super-2 number, since 2×1155022012312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115502201197 and 115502201206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115502201201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57751100615 + 57751100616.

It is an arithmetic number, because the mean of its divisors is an integer number (57751100616).

Almost surely, 2115502201231 is an apocalyptic number.

115502201231 is a deficient number, since it is larger than the sum of its proper divisors (1).

115502201231 is an equidigital number, since it uses as much as digits as its factorization.

115502201231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 115502201231 its reverse (132102205511), we get a palindrome (247604406742).

The spelling of 115502201231 in words is "one hundred fifteen billion, five hundred two million, two hundred one thousand, two hundred thirty-one".