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1130311271 is a prime number
BaseRepresentation
bin100001101011111…
…0010111001100111
32220202212202120102
41003113302321213
54303324430041
6304054254315
740003326065
oct10327627147
92822782512
101130311271
11530038651
1227665739b
1315023454b
14aa18d035
156937209b
hex435f2e67

1130311271 has 2 divisors, whose sum is σ = 1130311272. Its totient is φ = 1130311270.

The previous prime is 1130311229. The next prime is 1130311291. The reversal of 1130311271 is 1721130311.

It is an a-pointer prime, because the next prime (1130311291) can be obtained adding 1130311271 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1130311271 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1130311211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565155635 + 565155636.

It is an arithmetic number, because the mean of its divisors is an integer number (565155636).

Almost surely, 21130311271 is an apocalyptic number.

1130311271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130311271 is an equidigital number, since it uses as much as digits as its factorization.

1130311271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 1130311271 is about 33620.1021860434. The cubic root of 1130311271 is about 1041.6760668108.

Adding to 1130311271 its reverse (1721130311), we get a palindrome (2851441582).

The spelling of 1130311271 in words is "one billion, one hundred thirty million, three hundred eleven thousand, two hundred seventy-one".