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31344230124212 = 22432714969135329
BaseRepresentation
bin1110010000001111001011…
…01100111100101010110100
311002222110221021211022201212
413020013211230330222310
513102020440402433322
6150355201315540552
76413355146046215
oct710074554745264
9132873837738655
1031344230124212
119a95016843205
12362287b2ba758
131464995ab1305
147a50d6c3b40c
15395506c660e2
hex1c81e5b3cab4

31344230124212 has 48 divisors (see below), whose sum is σ = 56346908217600. Its totient is φ = 15247979550720.

The previous prime is 31344230124211. The next prime is 31344230124247. The reversal of 31344230124212 is 21242103244313.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31344230124211) 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 15 ways as a sum of consecutive naturals, for example, 231547364 + ... + 231682692.

It is an arithmetic number, because the mean of its divisors is an integer number (1173893921200).

Almost surely, 231344230124212 is an apocalyptic number.

It is an amenable number.

31344230124212 is a deficient number, since it is larger than the sum of its proper divisors (25002678093388).

31344230124212 is a wasteful number, since it uses less digits than its factorization.

31344230124212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140616 (or 140614 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 31344230124212 its reverse (21242103244313), we get a palindrome (52586333368525).

The spelling of 31344230124212 in words is "thirty-one trillion, three hundred forty-four billion, two hundred thirty million, one hundred twenty-four thousand, two hundred twelve".

Divisors: 1 2 4 43 86 172 271 542 1084 4969 9938 11653 19876 23306 46612 135329 213667 270658 427334 541316 854668 1346599 2693198 5386396 5819147 11638294 23276588 36674159 57903757 73348318 115807514 146696636 231615028 672449801 1344899602 1576988837 2689799204 3153977674 6307955348 28915341443 57830682886 115661365772 182233896071 364467792142 728935584284 7836057531053 15672115062106 31344230124212