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31100313011112 = 2333143982930607
BaseRepresentation
bin1110001001001000110110…
…00111000000001110101000
311002010011100021202010202000
413010210123013000032220
513034021420112323422
6150051141521411000
76356631514563462
oct704443307001650
9132104307663660
1031100313011112
119a00628a02a14
1235a3547a99a60
13144799301c5a7
14797398253132
1538deccea8cac
hex1c491b1c03a8

31100313011112 has 32 divisors (see below), whose sum is σ = 86389758364800. Its totient is φ = 10366771003632.

The previous prime is 31100313011087. The next prime is 31100313011123. The reversal of 31100313011112 is 21111031300113.

31100313011112 is a `hidden beast` number, since 311 + 0 + 0 + 31 + 301 + 11 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71991465088 + ... + 71991465519.

It is an arithmetic number, because the mean of its divisors is an integer number (2699679948900).

Almost surely, 231100313011112 is an apocalyptic number.

It is an amenable number.

31100313011112 is an abundant number, since it is smaller than the sum of its proper divisors (55289445353688).

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

31100313011112 is a wasteful number, since it uses less digits than its factorization.

31100313011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143982930622 (or 143982930612 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 31100313011112 its reverse (21111031300113), we get a palindrome (52211344311225).

The spelling of 31100313011112 in words is "thirty-one trillion, one hundred billion, three hundred thirteen million, eleven thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 143982930607 287965861214 431948791821 575931722428 863897583642 1151863444856 1295846375463 1727795167284 2591692750926 3455590334568 3887539126389 5183385501852 7775078252778 10366771003704 15550156505556 31100313011112