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31301110112200 = 2352224816961681
BaseRepresentation
bin1110001110111110110111…
…00011001001111111001000
311002211100122011220202100221
413013133123203021333020
513100314133142042300
6150323310444235424
76410300455021405
oct707373343117710
9132740564822327
1031301110112200
119a787a9704a45
12361644653bb74
1314608b3517cc6
147a2da61472ac
153943313d131a
hex1c77db8c9fc8

31301110112200 has 48 divisors (see below), whose sum is σ = 72778328646660. Its totient is φ = 12519885312000.

The previous prime is 31301110112191. The next prime is 31301110112203. The reversal of 31301110112200 is 221101110313.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1689381256644 + 29611728855556 = 1299762^2 + 5441666^2 .

It is not an unprimeable number, because it can be changed into a prime (31301110112203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1015360 + ... + 7977040.

Almost surely, 231301110112200 is an apocalyptic number.

It is an amenable number.

31301110112200 is an abundant number, since it is smaller than the sum of its proper divisors (41477218534460).

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

31301110112200 is a wasteful number, since it uses less digits than its factorization.

31301110112200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6984178 (or 6984169 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 31301110112200 its reverse (221101110313), we get a palindrome (31522211222513).

The spelling of 31301110112200 in words is "thirty-one trillion, three hundred one billion, one hundred ten million, one hundred twelve thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 22481 44962 89924 112405 179848 224810 449620 562025 899240 1124050 2248100 4496200 6961681 13923362 27846724 34808405 55693448 69616810 139233620 174042025 278467240 348084050 696168100 1392336200 156505550561 313011101122 626022202244 782527752805 1252044404488 1565055505610 3130111011220 3912638764025 6260222022440 7825277528050 15650555056100 31301110112200