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231241443143343 = 323101331383261739
BaseRepresentation
bin110100100101000000011000…
…000100110110111010101111
31010022202110120202121202000220
4310211000120010312322233
5220302124433421041333
62135450504043422423
766464433346432623
oct6445003004667257
91108673522552026
10231241443143343
1167753a44225486
1221b28183524a13
139c04c89041349
144116207609183
151bb01c20a38b3
hexd25018136eaf

231241443143343 has 64 divisors (see below), whose sum is σ = 326746399703040. Its totient is φ = 145176646032000.

The previous prime is 231241443143317. The next prime is 231241443143363. The reversal of 231241443143343 is 343341344142132.

It is not a de Polignac number, because 231241443143343 - 213 = 231241443135151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231241443143295 and 231241443143304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231241443143363) 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, 883350168 + ... + 883611906.

It is an arithmetic number, because the mean of its divisors is an integer number (5105412495360).

Almost surely, 2231241443143343 is an apocalyptic number.

231241443143343 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

231241443143343 is a deficient number, since it is larger than the sum of its proper divisors (95504956559697).

231241443143343 is a wasteful number, since it uses less digits than its factorization.

231241443143343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262580.

The product of its digits is 995328, while the sum is 42.

Adding to 231241443143343 its reverse (343341344142132), we get a palindrome (574582787285475).

The spelling of 231241443143343 in words is "two hundred thirty-one trillion, two hundred forty-one billion, four hundred forty-three million, one hundred forty-three thousand, three hundred forty-three".

Divisors: 1 3 23 69 101 303 331 383 993 1149 2323 6969 7613 8809 22839 26427 33431 38683 100293 116049 126773 261739 380319 768913 785217 889709 2306739 2669127 2915779 6019997 8747337 12804073 18059991 26435639 38412219 79306917 86635609 100246037 259906827 294493679 300738111 608019697 883481037 1824059091 1992619007 2305658851 5977857021 6916976553 8750196509 10124849737 26250589527 30374549211 33181438247 99544314741 201254519707 232871543951 603763559121 698614631853 763173079681 2289519239043 3351325262947 10053975788841 77080481047781 231241443143343