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31013101122212 = 22115351131721773
BaseRepresentation
bin1110000110100110011001…
…11000000011001010100100
311001210211020100012011000202
413003103030320003022210
513031104312341402322
6145543115540130032
76350423362010636
oct703231470031244
9131724210164022
1031013101122212
119977645089a80
12358a668996918
13143c6a4a23cc1
14793083762a56
1538bac67b9292
hex1c34cce032a4

31013101122212 has 24 divisors (see below), whose sum is σ = 59217894493632. Its totient is φ = 14094229604000.

The previous prime is 31013101122209. The next prime is 31013101122229. The reversal of 31013101122212 is 21222110131013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65625443 + ... + 66096330.

It is an arithmetic number, because the mean of its divisors is an integer number (2467412270568).

Almost surely, 231013101122212 is an apocalyptic number.

It is an amenable number.

31013101122212 is a deficient number, since it is larger than the sum of its proper divisors (28204793371420).

31013101122212 is a wasteful number, since it uses less digits than its factorization.

31013101122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131727139 (or 131727137 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 31013101122212 its reverse (21222110131013), we get a palindrome (52235211253225).

The spelling of 31013101122212 in words is "thirty-one trillion, thirteen billion, one hundred one million, one hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 5351 10702 21404 58861 117722 235444 131721773 263443546 526887092 1448939503 2897879006 5795758012 704843207323 1409686414646 2819372829292 7753275280553 15506550561106 31013101122212