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231130101311130 = 23571967386073319
BaseRepresentation
bin110100100011011000101011…
…100101011110011010011010
31010022100211012011022121220110
4310203120223211132122122
5220243313421413424010
62135323411441505150
766453412242453120
oct6443305345363232
91108324164277813
10231130101311130
11677107a8705a2a
1221b0a68b3421b6
139bc76238509a8
144110a84135910
151bac3572a6120
hexd2362b95e69a

231130101311130 has 128 divisors (see below), whose sum is σ = 668314571673600. Its totient is φ = 49974857017344.

The previous prime is 231130101311101. The next prime is 231130101311147. The reversal of 231130101311130 is 31113101031132.

It is a super-2 number, since 2×2311301013111302 (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 231130101311097 and 231130101311106.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40351390 + ... + 45721929.

It is an arithmetic number, because the mean of its divisors is an integer number (5221207591200).

Almost surely, 2231130101311130 is an apocalyptic number.

231130101311130 is an abundant number, since it is smaller than the sum of its proper divisors (437184470362470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231130101311130 is a wasteful number, since it uses less digits than its factorization.

231130101311130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86074028.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 231130101311130 its reverse (31113101031132), we get a palindrome (262243202342262).

The spelling of 231130101311130 in words is "two hundred thirty-one trillion, one hundred thirty billion, one hundred one million, three hundred eleven thousand, one hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 19 21 30 35 38 42 57 70 95 105 114 133 190 210 266 285 399 570 665 673 798 1330 1346 1995 2019 3365 3990 4038 4711 6730 9422 10095 12787 14133 20190 23555 25574 28266 38361 47110 63935 70665 76722 89509 127870 141330 179018 191805 268527 383610 447545 537054 895090 1342635 2685270 86073319 172146638 258219957 430366595 516439914 602513233 860733190 1205026466 1291099785 1635393061 1807539699 2582199570 3012566165 3270786122 3615079398 4906179183 6025132330 8176965305 9037698495 9812358366 11447751427 16353930610 18075396990 22895502854 24530895915 34343254281 49061791830 57238757135 57927343687 68686508562 114477514270 115854687374 171716271405 173782031061 289636718435 343432542810 347564062122 405491405809 579273436870 810982811618 868910155305 1100619530053 1216474217427 1737820310610 2027457029045 2201239060106 2432948434854 3301858590159 4054914058090 5503097650265 6082371087135 6603717180318 7704336710371 11006195300530 12164742174270 15408673420742 16509292950795 23113010131113 33018585901590 38521683551855 46226020262226 77043367103710 115565050655565 231130101311130