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231203200110201 = 331112734991751821
BaseRepresentation
bin110100100100011100110000…
…100111010000111001111001
31010022121210212112121100222000
4310210130300213100321321
5220301013123212011301
62135421141150451213
766461610555136314
oct6444346047207171
91108553775540860
10231203200110201
11677397aa009670
1221b2088bb03b09
139c014a2c92857
14411441a51197b
151bae1d4974786
hexd247309d0e79

231203200110201 has 64 divisors (see below), whose sum is σ = 376711802880000. Its totient is φ = 138980009044800.

The previous prime is 231203200110173. The next prime is 231203200110217. The reversal of 231203200110201 is 102011002302132.

231203200110201 is a `hidden beast` number, since 2 + 31 + 2 + 0 + 320 + 0 + 110 + 201 = 666.

It is not a de Polignac number, because 231203200110201 - 26 = 231203200110137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231203200110901) 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 63 ways as a sum of consecutive naturals, for example, 131102871 + ... + 132854691.

It is an arithmetic number, because the mean of its divisors is an integer number (5886121920000).

Almost surely, 2231203200110201 is an apocalyptic number.

It is an amenable number.

231203200110201 is a deficient number, since it is larger than the sum of its proper divisors (145508602769799).

231203200110201 is a wasteful number, since it uses less digits than its factorization.

231203200110201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755467 (or 1755461 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 231203200110201 its reverse (102011002302132), we get a palindrome (333214202412333).

The spelling of 231203200110201 in words is "two hundred thirty-one trillion, two hundred three billion, two hundred million, one hundred ten thousand, two hundred one".

Divisors: 1 3 9 11 27 33 99 127 297 381 1143 1397 3429 3499 4191 10497 12573 31491 37719 38489 94473 115467 346401 444373 1039203 1333119 1751821 3999357 4888103 5255463 11998071 14664309 15766389 19270031 43992927 47299167 57810093 131978781 173430279 222481267 520290837 667443801 2002331403 2447293937 6006994209 6129621679 7341881811 18388865037 22025645433 55166595111 66076936299 67425838469 165499785333 202277515407 606832546221 778461953233 1820497638663 2335385859699 7006157579097 8563081485563 21018472737291 25689244456689 77067733370067 231203200110201