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13113201313 = 82331592761
BaseRepresentation
bin11000011011001101…
…11001001010100001
31020211212210122110201
430031212321022201
5203323434420223
610005113225201
7642646241422
oct141546711241
936755718421
1013113201313
11561a073263
12265b702201
13130c988224
148c57d5649
1551b362ead
hex30d9b92a1

13113201313 has 4 divisors (see below), whose sum is σ = 13114802308. Its totient is φ = 13111600320.

The previous prime is 13113201307. The next prime is 13113201317. The reversal of 13113201313 is 31310231131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3624882849 + 9488318464 = 60207^2 + 97408^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13113201313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13113201317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 788148 + ... + 804613.

It is an arithmetic number, because the mean of its divisors is an integer number (3278700577).

Almost surely, 213113201313 is an apocalyptic number.

It is an amenable number.

13113201313 is a deficient number, since it is larger than the sum of its proper divisors (1600995).

13113201313 is an equidigital number, since it uses as much as digits as its factorization.

13113201313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600994.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 13113201313 its reverse (31310231131), we get a palindrome (44423432444).

The spelling of 13113201313 in words is "thirteen billion, one hundred thirteen million, two hundred one thousand, three hundred thirteen".

Divisors: 1 8233 1592761 13113201313