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211025031223 is a prime number
BaseRepresentation
bin1100010010001000010…
…0100111000000110111
3202011200200211022010011
43010202010213000313
511424134401444343
6240535450441051
721150253112116
oct3044204470067
9664620738104
10211025031223
118154a146356
1234a93a33187
1316b9049bca6
14a2dc429c7d
15575130a29d
hex3122127037

211025031223 has 2 divisors, whose sum is σ = 211025031224. Its totient is φ = 211025031222.

The previous prime is 211025031199. The next prime is 211025031253. The reversal of 211025031223 is 322130520112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211025031223 - 237 = 73586077751 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211025031194 and 211025031203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211025031253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105512515611 + 105512515612.

It is an arithmetic number, because the mean of its divisors is an integer number (105512515612).

Almost surely, 2211025031223 is an apocalyptic number.

211025031223 is a deficient number, since it is larger than the sum of its proper divisors (1).

211025031223 is an equidigital number, since it uses as much as digits as its factorization.

211025031223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 211025031223 its reverse (322130520112), we get a palindrome (533155551335).

The spelling of 211025031223 in words is "two hundred eleven billion, twenty-five million, thirty-one thousand, two hundred twenty-three".