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13513231583 is a prime number
BaseRepresentation
bin11001001010111001…
…11000110011011111
31021212202112021211122
430211130320303133
5210133341402313
610112523241155
7655604400425
oct144534706337
937782467748
1013513231583
115804959995
1227516791bb
13137480a527
149229a7115
15541530708
hex325738cdf

13513231583 has 2 divisors, whose sum is σ = 13513231584. Its totient is φ = 13513231582.

The previous prime is 13513231531. The next prime is 13513231601. The reversal of 13513231583 is 38513231531.

It is a strong prime.

It is an emirp because it is prime and its reverse (38513231531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13513231583 - 26 = 13513231519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13513231183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6756615791 + 6756615792.

It is an arithmetic number, because the mean of its divisors is an integer number (6756615792).

Almost surely, 213513231583 is an apocalyptic number.

13513231583 is a deficient number, since it is larger than the sum of its proper divisors (1).

13513231583 is an equidigital number, since it uses as much as digits as its factorization.

13513231583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 35.

The spelling of 13513231583 in words is "thirteen billion, five hundred thirteen million, two hundred thirty-one thousand, five hundred eighty-three".