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31332110230212 = 223114347117449021
BaseRepresentation
bin1110001111111000100110…
…10011001110001011000100
311002221022122122002220201220
413013330103103032023010
513101321130204331322
6150345434524320340
76412445620462251
oct707742323161304
9132838578086656
1031332110230212
119a8a967442490
1236204583a30b0
1314637b3b5bbbc
147a46a7330428
15395047c1155c
hex1c7f134ce2c4

31332110230212 has 96 divisors (see below), whose sum is σ = 83345584379904. Its totient is φ = 9076460265600.

The previous prime is 31332110230207. The next prime is 31332110230219. The reversal of 31332110230212 is 21203201123313.

It is a super-2 number, since 2×313321102302122 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31332110230219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58457739 + ... + 58991282.

It is an arithmetic number, because the mean of its divisors is an integer number (868183170624).

Almost surely, 231332110230212 is an apocalyptic number.

It is an amenable number.

31332110230212 is an abundant number, since it is smaller than the sum of its proper divisors (52013474149692).

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

31332110230212 is a wasteful number, since it uses less digits than its factorization.

31332110230212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117449129 (or 117449127 counting only the distinct ones).

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

Adding to 31332110230212 its reverse (21203201123313), we get a palindrome (52535311353525).

The spelling of 31332110230212 in words is "thirty-one trillion, three hundred thirty-two billion, one hundred ten million, two hundred thirty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 11 12 22 33 43 44 47 66 86 94 129 132 141 172 188 258 282 473 516 517 564 946 1034 1419 1551 1892 2021 2068 2838 3102 4042 5676 6063 6204 8084 12126 22231 24252 44462 66693 88924 133386 266772 117449021 234898042 352347063 469796084 704694126 1291939231 1409388252 2583878462 3875817693 5050307903 5167756924 5520103987 7751635386 10100615806 11040207974 15150923709 15503270772 16560311961 20201231612 22080415948 30301847418 33120623922 55553386933 60603694836 60721143857 66241247844 111106773866 121442287714 166660160799 182163431571 222213547732 237364471441 242884575428 333320321598 364326863142 474728942882 666640643196 712093414323 728653726284 949457885764 1424186828646 2611009185851 2848373657292 5222018371702 7833027557553 10444036743404 15666055115106 31332110230212