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1315164241 is a prime number
BaseRepresentation
bin100111001100011…
…1101000001010001
310101122201021011201
41032120331001101
510143140223431
6334300311201
744406466036
oct11630750121
93348637151
101315164241
116154153a6
12308542501
1317c6172c1
14c694b38d
157a6d8461
hex4e63d051

1315164241 has 2 divisors, whose sum is σ = 1315164242. Its totient is φ = 1315164240.

The previous prime is 1315164203. The next prime is 1315164283. The reversal of 1315164241 is 1424615131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1305304641 + 9859600 = 36129^2 + 3140^2 .

It is a cyclic number.

It is not a de Polignac number, because 1315164241 - 215 = 1315131473 is a prime.

It is not a weakly prime, because it can be changed into another prime (1315164341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657582120 + 657582121.

It is an arithmetic number, because the mean of its divisors is an integer number (657582121).

Almost surely, 21315164241 is an apocalyptic number.

It is an amenable number.

1315164241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315164241 is an equidigital number, since it uses as much as digits as its factorization.

1315164241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 28.

The square root of 1315164241 is about 36265.1932436600. The cubic root of 1315164241 is about 1095.6201156596.

Adding to 1315164241 its reverse (1424615131), we get a palindrome (2739779372).

The spelling of 1315164241 in words is "one billion, three hundred fifteen million, one hundred sixty-four thousand, two hundred forty-one".