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31032111054530 = 251911311931211543
BaseRepresentation
bin1110000111001001110011…
…11101001011111011000010
311001212122022011201202202002
413003210321331023323002
513031412230412221110
6145555542141024002
76351665432532065
oct703447175137302
9131778264652662
1031032111054530
11998470a759543
123592293255002
13144141425b571
14793d683648dc
1538c33a666aa5
hex1c3939f4bec2

31032111054530 has 64 divisors (see below), whose sum is σ = 59367788317440. Its totient is φ = 11645690628096.

The previous prime is 31032111054479. The next prime is 31032111054577. The reversal of 31032111054530 is 3545011123013.

It is a super-3 number, since 3×310321110545303 (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31032111054493 and 31032111054502.

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, 25007939 + ... + 26219481.

It is an arithmetic number, because the mean of its divisors is an integer number (927621692460).

Almost surely, 231032111054530 is an apocalyptic number.

31032111054530 is a deficient number, since it is larger than the sum of its proper divisors (28335677262910).

31032111054530 is a wasteful number, since it uses less digits than its factorization.

31032111054530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212875.

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 31032111054530 its reverse (3545011123013), we get a palindrome (34577122177543).

The spelling of 31032111054530 in words is "thirty-one trillion, thirty-two billion, one hundred eleven million, fifty-four thousand, five hundred thirty".

Divisors: 1 2 5 10 19 38 95 113 190 226 565 1130 1193 2147 2386 4294 5965 10735 11930 21470 22667 45334 113335 134809 226670 269618 674045 1211543 1348090 2423086 2561371 5122742 6057715 12115430 12806855 23019317 25613710 46038634 115096585 136904359 230193170 273808718 684521795 1369043590 1445370799 2601182821 2890741598 5202365642 7226853995 13005914105 14453707990 26011828210 27462045181 54924090362 137310225905 163326900287 274620451810 326653800574 816634501435 1633269002870 3103211105453 6206422210906 15516055527265 31032111054530