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313323233212020 = 223559239370332167
BaseRepresentation
bin100011100111101110100000…
…0000000111111011001110100
31112002101102000211202121012210
41013033131000000333121310
5312031441440200241040
63030214412314213420
7122665566543305133
oct10717350000773164
91462342024677183
10313323233212020
119091a700912589
122b184184a24270
13105aa33c393265
145752cd543791a
1526353ca1ce480
hex11cf74003f674

313323233212020 has 96 divisors (see below), whose sum is σ = 895907580825600. Its totient is φ = 81793043511424.

The previous prime is 313323233212019. The next prime is 313323233212037. The reversal of 313323233212020 is 20212332323313.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 184320024 + ... + 186012143.

It is an arithmetic number, because the mean of its divisors is an integer number (9332370633600).

Almost surely, 2313323233212020 is an apocalyptic number.

313323233212020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313323233212020 is an abundant number, since it is smaller than the sum of its proper divisors (582584347613580).

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

313323233212020 is a wasteful number, since it uses less digits than its factorization.

313323233212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370332477 (or 370332475 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 313323233212020 its reverse (20212332323313), we get a palindrome (333535565535333).

The spelling of 313323233212020 in words is "three hundred thirteen trillion, three hundred twenty-three billion, two hundred thirty-three million, two hundred twelve thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 59 60 118 177 236 239 295 354 478 590 708 717 885 956 1180 1195 1434 1770 2390 2868 3540 3585 4780 7170 14101 14340 28202 42303 56404 70505 84606 141010 169212 211515 282020 423030 846060 370332167 740664334 1110996501 1481328668 1851660835 2221993002 3703321670 4443986004 5554982505 7406643340 11109965010 21849597853 22219930020 43699195706 65548793559 87398391412 88509387913 109247989265 131097587118 177018775826 218495978530 262195174236 265528163739 327743967795 354037551652 436991957060 442546939565 531056327478 655487935590 885093879130 1062112654956 1310975871180 1327640818695 1770187758260 2655281637390 5222053886867 5310563274780 10444107773734 15666161660601 20888215547468 26110269434335 31332323321202 52220538868670 62664646642404 78330808303005 104441077737340 156661616606010 313323233212020