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313321011112212 = 223313710103823841
BaseRepresentation
bin100011100111101101011101…
…1100100010110100100010100
31112002101012021222111020022220
41013033122323210112210110
5312031422412321042322
63030213404015022340
7122665460511623055
oct10717327344264424
91462335258436286
10313321011112212
1190919770569064
122b18386480a9b0
13105aa076bc47bc
145752b6428672c
1526352ea09955c
hex11cf6bb916914

313321011112212 has 48 divisors (see below), whose sum is σ = 731388684442752. Its totient is φ = 104396582993920.

The previous prime is 313321011112181. The next prime is 313321011112247. The reversal of 313321011112212 is 212211110123313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379905412 + ... + 380729252.

It is an arithmetic number, because the mean of its divisors is an integer number (15237264259224).

Almost surely, 2313321011112212 is an apocalyptic number.

It is an amenable number.

313321011112212 is an abundant number, since it is smaller than the sum of its proper divisors (418067673330540).

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

313321011112212 is a wasteful number, since it uses less digits than its factorization.

313321011112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837088 (or 837086 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 313321011112212 its reverse (212211110123313), we get a palindrome (525532121235525).

The spelling of 313321011112212 in words is "three hundred thirteen trillion, three hundred twenty-one billion, eleven million, one hundred twelve thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 3137 6274 9411 10103 12548 18822 20206 30309 37644 40412 60618 121236 823841 1647682 2471523 3295364 4943046 9886092 31693111 63386222 95079333 126772444 190158666 380317332 2584389217 5168778434 7753167651 8323265623 10337556868 15506335302 16646531246 24969796869 31012670604 33293062492 49939593738 99879187476 26110084259351 52220168518702 78330252778053 104440337037404 156660505556106 313321011112212