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200230312231131 = 371319472832902213
BaseRepresentation
bin101101100001101111000000…
…101000100100000011011011
3222020221211102201201122000220
4231201233000220210003123
5202221033134412344011
61545504311403531123
760114106540061310
oct5541570050440333
9866854381648026
10200230312231131
1158888220296436
121a559b86529aa3
1387958395641a0
1437632ad7c8d07
1518236b3765506
hexb61bc0a240db

200230312231131 has 128 divisors (see below), whose sum is σ = 354484311982080. Its totient is φ = 97582304613888.

The previous prime is 200230312231039. The next prime is 200230312231153. The reversal of 200230312231131 is 131132213032002.

It is not a de Polignac number, because 200230312231131 - 210 = 200230312230107 is a prime.

It is a super-2 number, since 2×2002303122311312 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200230312231181) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 67541181 + ... + 70443393.

It is an arithmetic number, because the mean of its divisors is an integer number (2769408687360).

Almost surely, 2200230312231131 is an apocalyptic number.

200230312231131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

200230312231131 is a deficient number, since it is larger than the sum of its proper divisors (154253999750949).

200230312231131 is a wasteful number, since it uses less digits than its factorization.

200230312231131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2902585.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 200230312231131 its reverse (131132213032002), we get a palindrome (331362525263133).

The spelling of 200230312231131 in words is "two hundred trillion, two hundred thirty billion, three hundred twelve million, two hundred thirty-one thousand, one hundred thirty-one".

Divisors: 1 3 7 13 19 21 39 47 57 91 133 141 247 273 283 329 399 611 741 849 893 987 1729 1833 1981 2679 3679 4277 5187 5377 5943 6251 11037 11609 12831 13301 16131 18753 25753 34827 37639 39903 69901 77259 81263 93107 112917 172913 209703 243789 252719 279321 489307 518739 758157 1210391 1467921 1769033 2902213 3285347 3631173 5307099 8706639 9856041 20315491 22997429 37728769 55142047 60946473 68992287 113186307 136404011 165426141 264101383 385994329 409212033 716846611 792304149 821326279 954828077 1157982987 1773252143 2150539833 2463978837 2591676209 2864484231 5017926277 5319756429 5749283953 7775028627 10677241627 12412765001 15053778831 15605199301 17247851859 18141733463 32031724881 33691790717 37238295003 38602335113 46815597903 54425200389 74740691389 101075372151 109236395107 115807005339 202867590913 224222074167 235842535019 270216345791 327709185321 501830356469 608602772739 707527605057 733444367147 810649037373 1420073136391 1505491069407 2200333101441 3512812495283 4260219409173 5134110570029 9534776772911 10538437485849 15402331710087 28604330318733 66743437410377 200230312231131