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31055168318 = 2101915238061
BaseRepresentation
bin11100111011000010…
…000100001100111110
32222011021210000012012
4130323002010030332
51002100110341233
622133324011222
72146401401216
oct347302041476
988137700165
1031055168318
1112196918669
126028390b12
132c0bb79c55
141708637246
15c1b5a6548
hex73b08433e

31055168318 has 8 divisors (see below), whose sum is σ = 46628469720. Its totient is φ = 15512345080.

The previous prime is 31055168281. The next prime is 31055168321. The reversal of 31055168318 is 81386155013.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 7616993 + ... + 7621068.

It is an arithmetic number, because the mean of its divisors is an integer number (5828558715).

Almost surely, 231055168318 is an apocalyptic number.

31055168318 is a deficient number, since it is larger than the sum of its proper divisors (15573301402).

31055168318 is a wasteful number, since it uses less digits than its factorization.

31055168318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15239082.

The product of its (nonzero) digits is 86400, while the sum is 41.

The spelling of 31055168318 in words is "thirty-one billion, fifty-five million, one hundred sixty-eight thousand, three hundred eighteen".

Divisors: 1 2 1019 2038 15238061 30476122 15527584159 31055168318