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13331000313 = 321787130721
BaseRepresentation
bin11000110101001011…
…01110101111111001
31021102001121222112100
430122211232233321
5204300214002223
610042453334013
7651232430061
oct143245565771
937361558470
1013331000313
115721002934
122700637309
131345b34b87
149066cc3a1
15530536043
hex31a96ebf9

13331000313 has 12 divisors (see below), whose sum is σ = 20388588948. Its totient is φ = 8364549120.

The previous prime is 13331000273. The next prime is 13331000327. The reversal of 13331000313 is 31300013331.

It can be written as a sum of positive squares in 2 ways, for example, as 11614803984 + 1716196329 = 107772^2 + 41427^2 .

It is not a de Polignac number, because 13331000313 - 210 = 13330999289 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13331000363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43565208 + ... + 43565513.

It is an arithmetic number, because the mean of its divisors is an integer number (1699049079).

Almost surely, 213331000313 is an apocalyptic number.

It is an amenable number.

13331000313 is a deficient number, since it is larger than the sum of its proper divisors (7057588635).

13331000313 is a wasteful number, since it uses less digits than its factorization.

13331000313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87130744 (or 87130741 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 18.

Adding to 13331000313 its reverse (31300013331), we get a palindrome (44631013644).

The spelling of 13331000313 in words is "thirteen billion, three hundred thirty-one million, three hundred thirteen", and thus it is an aban number.

Divisors: 1 3 9 17 51 153 87130721 261392163 784176489 1481222257 4443666771 13331000313