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231211030003330 = 25132733318656929
BaseRepresentation
bin110100100100100100000011…
…010011111011111010000010
31010022122120002012221011002211
4310210210003103323322002
5220301130142140101310
62135424514132332334
766462305602134136
oct6444440323737202
91108576065834084
10231211030003330
1167742057861223
1221b222b61740aa
139c021501b6b00
1441149603793c6
151bae4e206cc8a
hexd249034fbe82

231211030003330 has 48 divisors (see below), whose sum is σ = 450717771698280. Its totient is φ = 85358579963904.

The previous prime is 231211030003321. The next prime is 231211030003357. The reversal of 231211030003330 is 33300030112132.

It can be written as a sum of positive squares in 12 ways, for example, as 2743240250529 + 228467789752801 = 1656273^2 + 15115151^2 .

It is a super-2 number, since 2×2312110300033302 (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3064306 + ... + 21721234.

Almost surely, 2231211030003330 is an apocalyptic number.

231211030003330 is a deficient number, since it is larger than the sum of its proper divisors (219506741694950).

231211030003330 is a wasteful number, since it uses less digits than its factorization.

231211030003330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18664295 (or 18664282 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 231211030003330 its reverse (33300030112132), we get a palindrome (264511060115462).

The spelling of 231211030003330 in words is "two hundred thirty-one trillion, two hundred eleven billion, thirty million, three thousand, three hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 169 338 845 1690 7333 14666 36665 73330 95329 190658 476645 953290 1239277 2478554 6196385 12392770 18656929 37313858 93284645 186569290 242540077 485080154 1212700385 2425400770 3153021001 6306042002 15765105005 31530210010 136811260357 273622520714 684056301785 1368112603570 1778546384641 3557092769282 8892731923205 17785463846410 23121103000333 46242206000666 115605515001665 231211030003330