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31243044043310 = 25111092199911959
BaseRepresentation
bin1110001101010010101101…
…00010101011101000101110
311002121210202110100211100212
413012221112202223220232
513043341223233341220
6150240504543022422
76403143520414001
oct706512642535056
9132553673324325
1031243044043310
119a56111948a60
12360714029aa12
13145828b641a68
147a0258471538
15392a838400c5
hex1c6a568aba2e

31243044043310 has 96 divisors (see below), whose sum is σ = 61954139520000. Its totient is φ = 11250304513920.

The previous prime is 31243044043301. The next prime is 31243044043313. The reversal of 31243044043310 is 1334044034213.

It is a super-2 number, since 2×312430440433102 (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31243044043313) 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 47 ways as a sum of consecutive naturals, for example, 2612507111 + ... + 2612519069.

It is an arithmetic number, because the mean of its divisors is an integer number (645355620000).

Almost surely, 231243044043310 is an apocalyptic number.

31243044043310 is a deficient number, since it is larger than the sum of its proper divisors (30711095476690).

31243044043310 is a wasteful number, since it uses less digits than its factorization.

31243044043310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14194 (or 14085 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 31243044043310 its reverse (1334044034213), we get a palindrome (32577088077523).

The spelling of 31243044043310 in words is "thirty-one trillion, two hundred forty-three billion, forty-four million, forty-three thousand, three hundred ten".

Divisors: 1 2 5 10 11 22 55 109 110 218 545 1090 1199 1999 2398 3998 5995 9995 11881 11959 11990 19990 21989 23762 23918 43978 59405 59795 109945 118810 119590 130691 131549 217891 219890 261382 263098 435782 653455 657745 1089455 1303531 1306910 1315490 2178910 2396801 2607062 4793602 6517655 11984005 13035310 14338841 23750119 23906041 23968010 28677682 47500238 47812082 71694205 118750595 119530205 142084879 143388410 237501190 239060410 261251309 262966451 284169758 522502618 525932902 710424395 1306256545 1314832255 1420848790 1562933669 2605758469 2612513090 2629664510 3125867338 5211516938 7814668345 13028792345 15629336690 26057584690 28663343159 57326686318 143316715795 284027673121 286633431590 568055346242 1420138365605 2840276731210 3124304404331 6248608808662 15621522021655 31243044043310