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31101021330000 = 243541036700711
BaseRepresentation
bin1110001001001010001010…
…10101000001101001010000
311002010020011122120110120220
413010211011111001221100
513034024342430030000
6150051340103233040
76356655205313226
oct704450525015120
9132106148513526
1031101021330000
119a00961814426
1235a3705148780
131447a769b22ab
14797424354b16
1538e0202711a0
hex1c4945541a50

31101021330000 has 100 divisors (see below), whose sum is σ = 100398243752928. Its totient is φ = 8293605680000.

The previous prime is 31101021329999. The next prime is 31101021330023. The reversal of 31101021330000 is 3312010113.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×311010213300002 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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 19 ways as a sum of consecutive naturals, for example, 518320356 + ... + 518380355.

Almost surely, 231101021330000 is an apocalyptic number.

31101021330000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31101021330000 is an abundant number, since it is smaller than the sum of its proper divisors (69297222422928).

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

31101021330000 is a wasteful number, since it uses less digits than its factorization.

31101021330000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036700742 (or 1036700721 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 31101021330000 its reverse (3312010113), we get a palindrome (31104333340113).

The spelling of 31101021330000 in words is "thirty-one trillion, one hundred one billion, twenty-one million, three hundred thirty thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 125 150 200 240 250 300 375 400 500 600 625 750 1000 1200 1250 1500 1875 2000 2500 3000 3750 5000 6000 7500 10000 15000 30000 1036700711 2073401422 3110102133 4146802844 5183503555 6220204266 8293605688 10367007110 12440408532 15550510665 16587211376 20734014220 24880817064 25917517775 31101021330 41468028440 49761634128 51835035550 62202042660 77752553325 82936056880 103670071100 124404085320 129587588875 155505106650 207340142200 248808170640 259175177750 311010213300 388762766625 414680284400 518350355500 622020426600 647937944375 777525533250 1036700711000 1244040853200 1295875888750 1555051066500 1943813833125 2073401422000 2591751777500 3110102133000 3887627666250 5183503555000 6220204266000 7775255332500 10367007110000 15550510665000 31101021330000