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231222202232969 is a prime number
BaseRepresentation
bin110100100100101110011101…
…001110100111000010001001
31010022200121220211110012222202
4310210232131032213002021
5220301321032232423334
62135434002512125545
766463152502413203
oct6444563516470211
91108617824405882
10231222202232969
1167746870234762
1221b244b38368b5
139c032109c458c
14411530007d773
151bae947ccd17e
hexd24b9d3a7089

231222202232969 has 2 divisors, whose sum is σ = 231222202232970. Its totient is φ = 231222202232968.

The previous prime is 231222202232941. The next prime is 231222202233059. The reversal of 231222202232969 is 969232202222132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153690443868025 + 77531758364944 = 12397195^2 + 8805212^2 .

It is a cyclic number.

It is not a de Polignac number, because 231222202232969 - 212 = 231222202228873 is a prime.

It is a super-2 number, since 2×2312222022329692 (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (231222202232269) 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, 115611101116484 + 115611101116485.

It is an arithmetic number, because the mean of its divisors is an integer number (115611101116485).

Almost surely, 2231222202232969 is an apocalyptic number.

It is an amenable number.

231222202232969 is a deficient number, since it is larger than the sum of its proper divisors (1).

231222202232969 is an equidigital number, since it uses as much as digits as its factorization.

231222202232969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 47.

The spelling of 231222202232969 in words is "two hundred thirty-one trillion, two hundred twenty-two billion, two hundred two million, two hundred thirty-two thousand, nine hundred sixty-nine".