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331013320212 = 223737912233911
BaseRepresentation
bin1001101000100011110…
…11100110111000010100
31011122101212221221010110
410310101323212320110
520410403402221322
6412022044123020
732625550540461
oct4642173467024
91148355857113
10331013320212
11118422431853
125419b836470
13252a3115a63
1412041da4668
15892524ac0c
hex4d11ee6e14

331013320212 has 96 divisors (see below), whose sum is σ = 793706618880. Its totient is φ = 107333441280.

The previous prime is 331013320207. The next prime is 331013320219. The reversal of 331013320212 is 212023310133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331013320219) 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 31 ways as a sum of consecutive naturals, for example, 84634537 + ... + 84638447.

It is an arithmetic number, because the mean of its divisors is an integer number (8267777280).

Almost surely, 2331013320212 is an apocalyptic number.

It is an amenable number.

331013320212 is an abundant number, since it is smaller than the sum of its proper divisors (462693298668).

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

331013320212 is a wasteful number, since it uses less digits than its factorization.

331013320212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5293 (or 5291 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 331013320212 its reverse (212023310133), we get a palindrome (543036630345).

The spelling of 331013320212 in words is "three hundred thirty-one billion, thirteen million, three hundred twenty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 73 79 146 158 219 237 292 316 438 474 876 948 1223 2446 3669 3911 4892 5767 7338 7822 11534 11733 14676 15644 17301 23068 23466 34602 46932 69204 89279 96617 178558 193234 267837 285503 289851 308969 357116 386468 535674 571006 579702 617938 856509 926907 1071348 1142012 1159404 1235876 1713018 1853814 3426036 3707628 4783153 7053041 9566306 14106082 14349459 19132612 21159123 22554737 28212164 28698918 42318246 45109474 57397836 67664211 84636492 90218948 135328422 270656844 349170169 377869087 698340338 755738174 1047510507 1133607261 1396680676 1511476348 2095021014 2267214522 4190042028 4534429044 27584443351 55168886702 82753330053 110337773404 165506660106 331013320212