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1315271303 is a prime number
BaseRepresentation
bin100111001100101…
…0111001010000111
310101122220201000222
41032121113022013
510143202140203
6334302454555
744410423133
oct11631271207
93348821028
101315271303
11615488885
1230859445b
1317c653c58
14c69783c3
157a70a038
hex4e657287

1315271303 has 2 divisors, whose sum is σ = 1315271304. Its totient is φ = 1315271302.

The previous prime is 1315271291. The next prime is 1315271327. The reversal of 1315271303 is 3031725131.

It is a weak prime.

It is an emirp because it is prime and its reverse (3031725131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1315271303 - 26 = 1315271239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1315571303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657635651 + 657635652.

It is an arithmetic number, because the mean of its divisors is an integer number (657635652).

Almost surely, 21315271303 is an apocalyptic number.

1315271303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315271303 is an equidigital number, since it uses as much as digits as its factorization.

1315271303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 1315271303 is about 36266.6693121935. The cubic root of 1315271303 is about 1095.6498447977.

Adding to 1315271303 its reverse (3031725131), we get a palindrome (4346996434).

The spelling of 1315271303 in words is "one billion, three hundred fifteen million, two hundred seventy-one thousand, three hundred three".