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231122012230 = 2551721446863
BaseRepresentation
bin1101011100111111110…
…0100000100001000110
3211002120021211201022001
43113033330200201012
512241314213342410
6254102002455514
722461263455354
oct3271774404106
9732507751261
10231122012230
118a02239466a
123896236459a
1318a43ca1225
14b2875587d4
15602a83133a
hex35cff20846

231122012230 has 16 divisors (see below), whose sum is σ = 416028596544. Its totient is φ = 92446810560.

The previous prime is 231122012221. The next prime is 231122012237. The reversal of 231122012230 is 32210221132.

231122012230 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231122012198 and 231122012207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231122012237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293779 + ... + 740641.

It is an arithmetic number, because the mean of its divisors is an integer number (26001787284).

Almost surely, 2231122012230 is an apocalyptic number.

231122012230 is a deficient number, since it is larger than the sum of its proper divisors (184906584314).

231122012230 is a wasteful number, since it uses less digits than its factorization.

231122012230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498591.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 231122012230 its reverse (32210221132), we get a palindrome (263332233362).

The spelling of 231122012230 in words is "two hundred thirty-one billion, one hundred twenty-two million, twelve thousand, two hundred thirty".

Divisors: 1 2 5 10 51721 103442 258605 446863 517210 893726 2234315 4468630 23112201223 46224402446 115561006115 231122012230