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30321203031223 = 13192831571276113
BaseRepresentation
bin1101110010011101101001…
…00010010010110010110111
310222100200022202212101001221
412321032310202102302313
512433240310433444343
6144253211322531211
76246430451200246
oct671166442226267
9128320282771057
1030321203031223
119730171703555
123498551666b07
1313bc37ac5b880
1476b7a849295d
15378acdb3c5ed
hex1b93b4892cb7

30321203031223 has 32 divisors (see below), whose sum is σ = 34515752060160. Its totient is φ = 26405098606080.

The previous prime is 30321203031221. The next prime is 30321203031239. The reversal of 30321203031223 is 32213030212303.

It is a cyclic number.

It is not a de Polignac number, because 30321203031223 - 21 = 30321203031221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30321203031221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109676415 + ... + 109952527.

It is an arithmetic number, because the mean of its divisors is an integer number (1078617251880).

Almost surely, 230321203031223 is an apocalyptic number.

30321203031223 is a deficient number, since it is larger than the sum of its proper divisors (4194549028937).

30321203031223 is a wasteful number, since it uses less digits than its factorization.

30321203031223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277999.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 30321203031223 its reverse (32213030212303), we get a palindrome (62534233243526).

The spelling of 30321203031223 in words is "thirty trillion, three hundred twenty-one billion, two hundred three million, thirty-one thousand, two hundred twenty-three".

Divisors: 1 13 19 247 283 1571 3679 5377 20423 29849 69901 276113 388037 444593 3589469 5246147 5779709 8447267 68199911 78139979 109814471 433773523 1015819727 1484659601 5639055799 8241696937 19300574813 107142060181 122757907009 1595852791117 2332400233171 30321203031223