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31320330112000 = 21053244690079
BaseRepresentation
bin1110001111100010101010…
…01001101000110000000000
311002220012020122201220111101
413013301111021220300000
513101123014002041000
6150340205551424144
76411550656230266
oct707612511506000
9132805218656441
1031320330112000
119a859719132a6
12361a10b225054
131462657423057
147a3caa9cc436
15394aa8925e6a
hex1c7c55268c00

31320330112000 has 88 divisors (see below), whose sum is σ = 78137372626560. Its totient is φ = 12528131993600.

The previous prime is 31320330111991. The next prime is 31320330112009. The reversal of 31320330112000 is 21103302313.

It is an interprime number because it is at equal distance from previous prime (31320330111991) and next prime (31320330112009).

It is not an unprimeable number, because it can be changed into a prime (31320330112009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122217040 + ... + 122473039.

Almost surely, 231320330112000 is an apocalyptic number.

It is an amenable number.

31320330112000 is an abundant number, since it is smaller than the sum of its proper divisors (46817042514560).

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

31320330112000 is an equidigital number, since it uses as much as digits as its factorization.

31320330112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244690114 (or 244690086 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31320330112000 its reverse (21103302313), we get a palindrome (31341433414313).

The spelling of 31320330112000 in words is "thirty-one trillion, three hundred twenty billion, three hundred thirty million, one hundred twelve thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 400 500 512 640 800 1000 1024 1280 1600 2000 2560 3200 4000 5120 6400 8000 12800 16000 25600 32000 64000 128000 244690079 489380158 978760316 1223450395 1957520632 2446900790 3915041264 4893801580 6117251975 7830082528 9787603160 12234503950 15660165056 19575206320 24469007900 30586259875 31320330112 39150412640 48938015800 61172519750 62640660224 78300825280 97876031600 122345039500 125281320448 156601650560 195752063200 244690079000 250562640896 313203301120 391504126400 489380158000 626406602240 783008252800 978760316000 1252813204480 1566016505600 1957520632000 3132033011200 3915041264000 6264066022400 7830082528000 15660165056000 31320330112000