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31052343151212 = 22353591516154583
BaseRepresentation
bin1110000111101111011111…
…11000100000101001101100
311001221120112011222202210020
413003313233320200221230
513032230144321314322
6150013125521042140
76353313003523515
oct703675770405154
9131846464882706
1031052343151212
1199922521a31a9
12359619aa86350
1314432b9a4a8c6
14794d273c5a0c
1538cb2197c05c
hex1c3defe20a6c

31052343151212 has 96 divisors (see below), whose sum is σ = 75080108597760. Its totient is φ = 9982515079680.

The previous prime is 31052343151183. The next prime is 31052343151231. The reversal of 31052343151212 is 21215134325013.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 568874073 + ... + 568928655.

It is an arithmetic number, because the mean of its divisors is an integer number (782084464560).

Almost surely, 231052343151212 is an apocalyptic number.

It is an amenable number.

31052343151212 is an abundant number, since it is smaller than the sum of its proper divisors (44027765446548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31052343151212 is a wasteful number, since it uses less digits than its factorization.

31052343151212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69863 (or 69861 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 31052343151212 its reverse (21215134325013), we get a palindrome (52267477476225).

The spelling of 31052343151212 in words is "thirty-one trillion, fifty-two billion, three hundred forty-three million, one hundred fifty-one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 53 59 106 118 159 177 212 236 318 354 636 708 3127 6254 9381 12508 15161 18762 30322 37524 45483 54583 60644 90966 109166 163749 181932 218332 327498 654996 803533 894499 1607066 1788998 2410599 2683497 2892899 3214132 3220397 3577996 4821198 5366994 5785798 6440794 8678697 9642396 9661191 10733988 11571596 12881588 17357394 19322382 34714788 38644764 47408447 94816894 142225341 170681041 189633788 284450682 341362082 512043123 568901364 682724164 827532863 1024086246 1655065726 2048172492 2482598589 3310131452 4965197178 9930394356 43859241739 48824438917 87718483478 97648877834 131577725217 146473316751 175436966956 195297755668 263155450434 292946633502 526310900868 585893267004 2587695262601 5175390525202 7763085787803 10350781050404 15526171575606 31052343151212