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1313034193 is a prime number
BaseRepresentation
bin100111001000011…
…0100111111010001
310101111201001022001
41032100310333101
510142114043233
6334142514001
744352415012
oct11620647721
93344631261
101313034193
116141a0029
12307895901
1317c04c913
14c6555009
157a41727d
hex4e434fd1

1313034193 has 2 divisors, whose sum is σ = 1313034194. Its totient is φ = 1313034192.

The previous prime is 1313034139. The next prime is 1313034199. The reversal of 1313034193 is 3914303131.

Together with previous prime (1313034139) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 725117184 + 587917009 = 26928^2 + 24247^2 .

It is an emirp because it is prime and its reverse (3914303131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1313034193 - 221 = 1310937041 is a prime.

It is a super-2 number, since 2×13130341932 = 3448117583974322498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1313034199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656517096 + 656517097.

It is an arithmetic number, because the mean of its divisors is an integer number (656517097).

Almost surely, 21313034193 is an apocalyptic number.

It is an amenable number.

1313034193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313034193 is an equidigital number, since it uses as much as digits as its factorization.

1313034193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 1313034193 is about 36235.8136792870. The cubic root of 1313034193 is about 1095.0283050445.

The spelling of 1313034193 in words is "one billion, three hundred thirteen million, thirty-four thousand, one hundred ninety-three".