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13230310313 = 112961679907
BaseRepresentation
bin11000101001001011…
…01000001110101001
31021011001011101211002
430110211220032221
5204043424412223
610024455244345
7645600532163
oct142445501651
937131141732
1013230310313
11567a18aa60
1226929796b5
13132b00c2ac
148d719b933
15526796e28
hex3149683a9

13230310313 has 16 divisors (see below), whose sum is σ = 15175546560. Its totient is φ = 11422420800.

The previous prime is 13230310283. The next prime is 13230310361. The reversal of 13230310313 is 31301303231.

It is not a de Polignac number, because 13230310313 - 210 = 13230309289 is a prime.

It is a super-3 number, since 3×132303103133 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13230310363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320495 + ... + 359412.

It is an arithmetic number, because the mean of its divisors is an integer number (948471660).

Almost surely, 213230310313 is an apocalyptic number.

It is an amenable number.

13230310313 is a deficient number, since it is larger than the sum of its proper divisors (1945236247).

13230310313 is a wasteful number, since it uses less digits than its factorization.

13230310313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680008.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 13230310313 its reverse (31301303231), we get a palindrome (44531613544).

The spelling of 13230310313 in words is "thirteen billion, two hundred thirty million, three hundred ten thousand, three hundred thirteen".

Divisors: 1 11 29 61 319 671 1769 19459 679907 7478977 19717303 41474327 216890333 456217597 1202755483 13230310313