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331130302230 = 235721317327593
BaseRepresentation
bin1001101000110001110…
…01110110111100010110
31011122201001002020021210
410310120321312330112
520411123324132410
6412041423322250
732631501062100
oct4643071667426
91148631066253
10331130302230
11118482472102
1254212a50386
13252c14240a0
1412053736570
158930657220
hex4d18e76f16

331130302230 has 96 divisors (see below), whose sum is σ = 995574240864. Its totient is φ = 69864850944.

The previous prime is 331130302169. The next prime is 331130302247. The reversal of 331130302230 is 32203031133.

It is a super-2 number, since 2×3311303022302 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 331130302197 and 331130302206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8644687 + ... + 8682906.

It is an arithmetic number, because the mean of its divisors is an integer number (10370565009).

Almost surely, 2331130302230 is an apocalyptic number.

331130302230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

331130302230 is an abundant number, since it is smaller than the sum of its proper divisors (664443938634).

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

331130302230 is a wasteful number, since it uses less digits than its factorization.

331130302230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17327630 (or 17327623 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 331130302230 its reverse (32203031133), we get a palindrome (363333333363).

The spelling of 331130302230 in words is "three hundred thirty-one billion, one hundred thirty million, three hundred two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 13 14 15 21 26 30 35 39 42 49 65 70 78 91 98 105 130 147 182 195 210 245 273 294 390 455 490 546 637 735 910 1274 1365 1470 1911 2730 3185 3822 6370 9555 19110 17327593 34655186 51982779 86637965 103965558 121293151 173275930 225258709 242586302 259913895 363879453 450517418 519827790 606465755 675776127 727758906 849052057 1126293545 1212931510 1351552254 1576810963 1698104114 1819397265 2252587090 2547156171 3153621926 3378880635 3638794530 4245260285 4730432889 5094312342 6757761270 7884054815 8490520570 9460865778 11037676741 12735780855 15768109630 22075353482 23652164445 25471561710 33113030223 47304328890 55188383705 66226060446 110376767410 165565151115 331130302230