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12313231213101 = 3713269964917377
BaseRepresentation
bin1011001100101110010111…
…0001011100001000101101
31121121010121020212101202020
42303023211301130020231
53103214444142304401
642104341554020353
72410413230260230
oct263134561341055
947533536771666
1012313231213101
113a18015018365
12146a4782776b9
136b4195785670
14307d6c075417
15165466ea3d36
hexb32e5c5c22d

12313231213101 has 64 divisors (see below), whose sum is σ = 20284713792000. Its totient is φ = 6469703663616.

The previous prime is 12313231213093. The next prime is 12313231213103. The reversal of 12313231213101 is 10131213231321.

12313231213101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12313231213101 - 23 = 12313231213093 is a prime.

It is a super-3 number, since 3×123132312131013 (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313231213103) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 708584925 + ... + 708602301.

It is an arithmetic number, because the mean of its divisors is an integer number (316948653000).

Almost surely, 212313231213101 is an apocalyptic number.

It is an amenable number.

12313231213101 is a deficient number, since it is larger than the sum of its proper divisors (7971482578899).

12313231213101 is a wasteful number, since it uses less digits than its factorization.

12313231213101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27318.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 12313231213101 its reverse (10131213231321), we get a palindrome (22444444444422).

The spelling of 12313231213101 in words is "twelve trillion, three hundred thirteen billion, two hundred thirty-one million, two hundred thirteen thousand, one hundred one".

Divisors: 1 3 7 13 21 39 91 269 273 807 1883 3497 5649 9649 10491 17377 24479 28947 52131 67543 73437 121639 125437 202629 225901 364917 376311 677703 878059 1581307 2595581 2634177 4674413 4743921 7786743 14023239 18169067 32720891 33742553 54507201 60767369 98162673 101227659 167670673 182302107 236197871 425371583 503012019 708593613 1173694711 1276114749 2179718749 3521084133 6539156247 15258031243 45103411037 45774093729 135310233111 315723877259 586344343481 947171631777 1759033030443 4104410404367 12313231213101