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1310518427 is a prime number
BaseRepresentation
bin100111000011100…
…1110110010011011
310101022222020022112
41032013032302123
510140443042202
6334012542535
744322136301
oct11607166233
93338866275
101310518427
11612831989
12306a81a4b
1317b67b7ba
14c609c271
157a0bbb52
hex4e1cec9b

1310518427 has 2 divisors, whose sum is σ = 1310518428. Its totient is φ = 1310518426.

The previous prime is 1310518421. The next prime is 1310518453. The reversal of 1310518427 is 7248150131.

It is a weak prime.

It is an emirp because it is prime and its reverse (7248150131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1310518427 - 28 = 1310518171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1310518393 and 1310518402.

It is not a weakly prime, because it can be changed into another prime (1310518421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655259213 + 655259214.

It is an arithmetic number, because the mean of its divisors is an integer number (655259214).

Almost surely, 21310518427 is an apocalyptic number.

1310518427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310518427 is an equidigital number, since it uses as much as digits as its factorization.

1310518427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 1310518427 is about 36201.0832296494. The cubic root of 1310518427 is about 1094.3285019257.

Adding to 1310518427 its reverse (7248150131), we get a palindrome (8558668558).

The spelling of 1310518427 in words is "one billion, three hundred ten million, five hundred eighteen thousand, four hundred twenty-seven".