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21030110031333 = 3132961360784509
BaseRepresentation
bin1001100100000011101000…
…01111001110110111100101
32202110110101112020000010110
410302001310033032313211
510224024131132000313
6112421033231043233
74300242505561554
oct462016417166745
982413345200113
1021030110031333
11677890194a147
122437939370519
13b9719168b060
14529c11591d9b
15267094c0cec3
hex1320743cede5

21030110031333 has 64 divisors (see below), whose sum is σ = 31759642252800. Its totient is φ = 12286949391360.

The previous prime is 21030110031323. The next prime is 21030110031377. The reversal of 21030110031333 is 33313001103012.

It is not a de Polignac number, because 21030110031333 - 224 = 21030093254117 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21030110031323) 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, 248808283 + ... + 248892791.

It is an arithmetic number, because the mean of its divisors is an integer number (496244410200).

Almost surely, 221030110031333 is an apocalyptic number.

It is an amenable number.

21030110031333 is a deficient number, since it is larger than the sum of its proper divisors (10729532221467).

21030110031333 is a wasteful number, since it uses less digits than its factorization.

21030110031333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88222.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 21030110031333 its reverse (33313001103012), we get a palindrome (54343111134345).

The spelling of 21030110031333 in words is "twenty-one trillion, thirty billion, one hundred ten million, thirty-one thousand, three hundred thirty-three".

Divisors: 1 3 13 29 39 61 87 183 377 793 1131 1769 2379 3607 5307 10821 22997 46891 68991 84509 104603 140673 220027 253527 313809 660081 1098617 1359839 2450761 2860351 3295851 4079517 5155049 6380783 7352283 8581053 15465147 19142349 31859893 67015637 82950179 95579679 149496421 201046911 248850537 304823963 448489263 914471889 1943453473 3962711519 5830360419 8839894927 11888134557 18594261743 26519684781 55782785229 114918634051 241725402659 344755902153 539233590547 725176207977 1617700771641 7010036677111 21030110031333