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31122121000330 = 2516739776961043
BaseRepresentation
bin1110001001110001011101…
…11101111000010110001010
311002012020122010022202221101
413010320232331320112022
513034401100434002310
6150105145514332014
76361333112461123
oct704705675702612
9132166563282841
1031122121000330
119a098a9a52aa8
1235a781342a00a
131449a5a153819
147984666d104a
1538e85780a43a
hex1c4e2ef7858a

31122121000330 has 64 divisors (see below), whose sum is σ = 56571613781760. Its totient is φ = 12326882033664.

The previous prime is 31122121000291. The next prime is 31122121000447. The reversal of 31122121000330 is 3300012122113.

It is a super-3 number, since 3×311221210003303 (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31122121000298 and 31122121000307.

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, 509808789 + ... + 509869831.

It is an arithmetic number, because the mean of its divisors is an integer number (883931465340).

Almost surely, 231122121000330 is an apocalyptic number.

31122121000330 is a deficient number, since it is larger than the sum of its proper divisors (25449492781430).

31122121000330 is a wasteful number, since it uses less digits than its factorization.

31122121000330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62383.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31122121000330 its reverse (3300012122113), we get a palindrome (34422133122443).

The spelling of 31122121000330 in words is "thirty-one trillion, one hundred twenty-two billion, one hundred twenty-one million, three hundred thirty", and thus it is an aban number.

Divisors: 1 2 5 10 167 334 397 769 794 835 1538 1670 1985 3845 3970 7690 61043 66299 122086 128423 132598 256846 305215 305293 331495 610430 610586 642115 662990 1284230 1526465 3052930 10194181 20388362 24234071 46942067 48468142 50970905 50983931 93884134 101941810 101967862 121170355 234710335 242340710 254919655 469420670 509839310 4047089857 7839325189 8094179714 15678650378 18636000599 20235449285 37272001198 39196625945 40470898570 78393251890 93180002995 186360005990 3112212100033 6224424200066 15561060500165 31122121000330