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31110113313120 = 2535619104705551
BaseRepresentation
bin1110001001011011000110…
…10000001100000101100000
311002011002122021202001201110
413010231203100030011200
513034202003002004440
6150055442212103320
76360426416016522
oct704554320140540
9132132567661643
1031110113313120
119a047a7a20966
1235a5422004b40
13144889552a06a
14797a47a71a12
1538e3a356c080
hex1c4b6340c160

31110113313120 has 96 divisors (see below), whose sum is σ = 98155172666880. Its totient is φ = 8282627827200.

The previous prime is 31110113313101. The next prime is 31110113313151. The reversal of 31110113313120 is 2131331101113.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52055656 + ... + 52649895.

It is an arithmetic number, because the mean of its divisors is an integer number (1022449715280).

Almost surely, 231110113313120 is an apocalyptic number.

31110113313120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31110113313120 is an abundant number, since it is smaller than the sum of its proper divisors (67045059353760).

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

31110113313120 is a wasteful number, since it uses less digits than its factorization.

31110113313120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104706188 (or 104706180 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 31110113313120 its reverse (2131331101113), we get a palindrome (33241444414233).

The spelling of 31110113313120 in words is "thirty-one trillion, one hundred ten billion, one hundred thirteen million, three hundred thirteen thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 619 1238 1857 2476 3095 3714 4952 6190 7428 9285 9904 12380 14856 18570 19808 24760 29712 37140 49520 59424 74280 99040 148560 297120 104705551 209411102 314116653 418822204 523527755 628233306 837644408 1047055510 1256466612 1570583265 1675288816 2094111020 2512933224 3141166530 3350577632 4188222040 5025866448 6282333060 8376444080 10051732896 12564666120 16752888160 25129332240 50258664480 64812736069 129625472138 194438208207 259250944276 324063680345 388876416414 518501888552 648127360690 777752832828 972191041035 1037003777104 1296254721380 1555505665656 1944382082070 2074007554208 2592509442760 3111011331312 3888764164140 5185018885520 6222022662624 7777528328280 10370037771040 15555056656560 31110113313120