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31220402114110 = 25112389467329671
BaseRepresentation
bin1110001100101000100001…
…11110100100111000111110
311002112122022111120122120111
413012110100332210320332
513043003340420122420
6150222242115540234
76401412445244416
oct706242076447076
9132478274518514
1031220402114110
119a47553096480
1236028815ba67a
1314560c0803511
1479d10b351646
153921aabb045a
hex1c6510fa4e3e

31220402114110 has 128 divisors (see below), whose sum is σ = 64705773127680. Its totient is φ = 10734596505600.

The previous prime is 31220402114101. The next prime is 31220402114123. The reversal of 31220402114110 is 1141120402213.

It is a super-2 number, since 2×312204021141102 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1052204575 + ... + 1052234245.

It is an arithmetic number, because the mean of its divisors is an integer number (505513852560).

Almost surely, 231220402114110 is an apocalyptic number.

31220402114110 is an abundant number, since it is smaller than the sum of its proper divisors (33485371013570).

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

31220402114110 is a wasteful number, since it uses less digits than its factorization.

31220402114110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34474.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 31220402114110 its reverse (1141120402213), we get a palindrome (32361522516323).

The spelling of 31220402114110 in words is "thirty-one trillion, two hundred twenty billion, four hundred two million, one hundred fourteen thousand, one hundred ten".

Divisors: 1 2 5 10 11 22 23 46 55 89 110 115 178 230 253 445 506 890 979 1265 1958 2047 2530 4094 4673 4895 9346 9790 10235 20470 22517 23365 29671 45034 46730 51403 59342 102806 107479 112585 148355 214958 225170 257015 296710 326381 415897 514030 537395 652762 682433 831794 1074790 1182269 1364866 1631905 2079485 2364538 2640719 3263810 3412165 4158970 4574867 5281438 5911345 6824330 7506763 9149734 9565631 11822690 13203595 15013526 19131262 22874335 26407190 29047909 37533815 45748670 47828155 58095818 60736537 75067630 95656310 105221941 121473074 138652583 145239545 210443882 277305166 290479090 303682685 526109705 607365370 668101907 693262915 1052219410 1336203814 1386525830 1525178413 3050356826 3189009409 3340509535 6378018818 6681019070 7625892065 12340079887 15251784130 15945047045 24680159774 31890094090 35079103499 61700399435 70158206998 123400798870 135740878757 175395517495 271481757514 283821837401 350791034990 567643674802 678704393785 1357408787570 1419109187005 2838218374010 3122040211411 6244080422822 15610201057055 31220402114110