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231110133330 = 235379197910271
BaseRepresentation
bin1101011100111100111…
…1001100011001010010
3211002112110111012111210
43113033033030121102
512241303143231310
6254100500120550
722461060502116
oct3271717143122
9732473435453
10231110133330
118a01671089a
123895a396156
1318a416a23ab
14b285b45746
156029786820
hex35cf3cc652

231110133330 has 64 divisors (see below), whose sum is σ = 556463001600. Its totient is φ = 61429717440.

The previous prime is 231110133323. The next prime is 231110133343. The reversal of 231110133330 is 33331011132.

It is a junction number, because it is equal to n+sod(n) for n = 231110133297 and 231110133306.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22496095 + ... + 22506365.

It is an arithmetic number, because the mean of its divisors is an integer number (8694734400).

Almost surely, 2231110133330 is an apocalyptic number.

231110133330 is an abundant number, since it is smaller than the sum of its proper divisors (325352868270).

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

231110133330 is a wasteful number, since it uses less digits than its factorization.

231110133330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12639.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 231110133330 its reverse (33331011132), we get a palindrome (264441144462).

The spelling of 231110133330 in words is "two hundred thirty-one billion, one hundred ten million, one hundred thirty-three thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 379 758 1137 1895 1979 2274 3790 3958 5685 5937 9895 10271 11370 11874 19790 20542 29685 30813 51355 59370 61626 102710 154065 308130 750041 1500082 2250123 3750205 3892709 4500246 7500410 7785418 11250615 11678127 19463545 20326309 22501230 23356254 38927090 40652618 58390635 60978927 101631545 116781270 121957854 203263090 304894635 609789270 7703671111 15407342222 23111013333 38518355555 46222026666 77036711110 115555066665 231110133330