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31441343023112 = 23111321362374653
BaseRepresentation
bin1110010011000100000100…
…00101010000100000001000
311010022202121020212201211012
413021202002011100200020
513110113332303214422
6150511541550223052
76423363535056311
oct711420205204010
9133282536781735
1031441343023112
11a02222050a540
1236396621b4a88
131470ba14181b9
147a9aaa683608
15397cdc7ad4e2
hex1c9882150808

31441343023112 has 64 divisors (see below), whose sum is σ = 64379149004160. Its totient is φ = 14276567923200.

The previous prime is 31441343023093. The next prime is 31441343023171. The reversal of 31441343023112 is 21132034314413.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421129178 + ... + 421203830.

It is an arithmetic number, because the mean of its divisors is an integer number (1005924203190).

Almost surely, 231441343023112 is an apocalyptic number.

It is an amenable number.

31441343023112 is an abundant number, since it is smaller than the sum of its proper divisors (32937805981048).

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

31441343023112 is a wasteful number, since it uses less digits than its factorization.

31441343023112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79614 (or 79610 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 31441343023112 its reverse (21132034314413), we get a palindrome (52573377337525).

The spelling of 31441343023112 in words is "thirty-one trillion, four hundred forty-one billion, three hundred forty-three million, twenty-three thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 1321 2642 3623 5284 7246 10568 14492 14531 28984 29062 39853 58124 74653 79706 116248 149306 159412 298612 318824 597224 821183 1642366 3284732 4785983 6569464 9571966 19143932 38287864 52645813 98616613 105291626 197233226 210583252 270467819 394466452 421166504 540935638 788932904 1081871276 1084782743 2163742552 2169565486 2975146009 4339130972 5950292018 8678261944 11900584036 23801168072 357287988899 714575977798 1429151955596 2858303911192 3930167877889 7860335755778 15720671511556 31441343023112