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203206341271 is a prime number
BaseRepresentation
bin1011110101000000001…
…0101011001010010111
3201102111210120200211211
42331100002223022113
511312131310410041
6233203545042251
720452433254513
oct2752002531227
9642453520754
10203206341271
11791a775591a
1233471486387
131621569b12b
149b99c7b143
155444bc6481
hex2f500ab297

203206341271 has 2 divisors, whose sum is σ = 203206341272. Its totient is φ = 203206341270.

The previous prime is 203206341251. The next prime is 203206341287. The reversal of 203206341271 is 172143602302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203206341271 - 237 = 65767387799 is a prime.

It is a super-2 number, since 2×2032063412712 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203206341251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101603170635 + 101603170636.

It is an arithmetic number, because the mean of its divisors is an integer number (101603170636).

Almost surely, 2203206341271 is an apocalyptic number.

203206341271 is a deficient number, since it is larger than the sum of its proper divisors (1).

203206341271 is an equidigital number, since it uses as much as digits as its factorization.

203206341271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

Adding to 203206341271 its reverse (172143602302), we get a palindrome (375349943573).

The spelling of 203206341271 in words is "two hundred three billion, two hundred six million, three hundred forty-one thousand, two hundred seventy-one".