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231243331110 = 23511263703397
BaseRepresentation
bin1101011101011100101…
…1010011011000100110
3211002212202010100111220
43113113023103120212
512242041243043420
6254122015041210
722464265611621
oct3272713233046
9732782110456
10231243331110
118a084917300
1238996b10206
1318a6316a54c
14b2996d8db8
1560362e7840
hex35d72d3626

231243331110 has 48 divisors (see below), whose sum is σ = 610023739248. Its totient is φ = 56058988480.

The previous prime is 231243331091. The next prime is 231243331117. The reversal of 231243331110 is 11133342132.

231243331110 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231243331117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31848069 + ... + 31855328.

It is an arithmetic number, because the mean of its divisors is an integer number (12708827901).

Almost surely, 2231243331110 is an apocalyptic number.

231243331110 is an abundant number, since it is smaller than the sum of its proper divisors (378780408138).

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

231243331110 is a wasteful number, since it uses less digits than its factorization.

231243331110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63703429 (or 63703418 counting only the distinct ones).

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

Adding to 231243331110 its reverse (11133342132), we get a palindrome (242376673242).

The spelling of 231243331110 in words is "two hundred thirty-one billion, two hundred forty-three million, three hundred thirty-one thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 121 165 242 330 363 605 726 1210 1815 3630 63703397 127406794 191110191 318516985 382220382 637033970 700737367 955550955 1401474734 1911101910 2102212101 3503686835 4204424202 7007373670 7708111037 10511060505 15416222074 21022121010 23124333111 38540555185 46248666222 77081110370 115621665555 231243331110