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1315541207 is a prime number
BaseRepresentation
bin100111001101001…
…1001000011010111
310101200102102021102
41032122121003113
510143234304312
6334312340315
744412626051
oct11632310327
93350372242
101315541207
11615652642
123086a469b
1317c719a66
14c6a088d1
157a75eec2
hex4e6990d7

1315541207 has 2 divisors, whose sum is σ = 1315541208. Its totient is φ = 1315541206.

The previous prime is 1315541173. The next prime is 1315541237. The reversal of 1315541207 is 7021455131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1315541207 - 216 = 1315475671 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1315541207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1315541237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657770603 + 657770604.

It is an arithmetic number, because the mean of its divisors is an integer number (657770604).

Almost surely, 21315541207 is an apocalyptic number.

1315541207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315541207 is an equidigital number, since it uses as much as digits as its factorization.

1315541207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 1315541207 is about 36270.3902239830. The cubic root of 1315541207 is about 1095.7247849892.

Adding to 1315541207 its reverse (7021455131), we get a palindrome (8336996338).

The spelling of 1315541207 in words is "one billion, three hundred fifteen million, five hundred forty-one thousand, two hundred seven".