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331113314220 = 223513232654173
BaseRepresentation
bin1001101000101111110…
…01000011011110101100
31011122122212010011010020
410310113321003132230
520411110002023340
6412040015242140
732631203506263
oct4642771033654
91148585104106
10331113314220
11118473919827
1254209219350
13252baa56900
14120513935da
15892dded9d0
hex4d17e437ac

331113314220 has 72 divisors (see below), whose sum is σ = 1003919925456. Its totient is φ = 81504813312.

The previous prime is 331113314159. The next prime is 331113314221. The reversal of 331113314220 is 22413311133.

It is not an unprimeable number, because it can be changed into a prime (331113314221) 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, 16316947 + ... + 16337226.

It is an arithmetic number, because the mean of its divisors is an integer number (13943332298).

Almost surely, 2331113314220 is an apocalyptic number.

331113314220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331113314220 is an abundant number, since it is smaller than the sum of its proper divisors (672806611236).

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

331113314220 is a wasteful number, since it uses less digits than its factorization.

331113314220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32654211 (or 32654196 counting only the distinct ones).

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

Adding to 331113314220 its reverse (22413311133), we get a palindrome (353526625353).

The spelling of 331113314220 in words is "three hundred thirty-one billion, one hundred thirteen million, three hundred fourteen thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 169 195 260 338 390 507 676 780 845 1014 1690 2028 2535 3380 5070 10140 32654173 65308346 97962519 130616692 163270865 195925038 326541730 391850076 424504249 489812595 653083460 849008498 979625190 1273512747 1698016996 1959250380 2122521245 2547025494 4245042490 5094050988 5518555237 6367563735 8490084980 11037110474 12735127470 16555665711 22074220948 25470254940 27592776185 33111331422 55185552370 66222662844 82778328555 110371104740 165556657110 331113314220