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2311031110113 = 381132021603
BaseRepresentation
bin100001101000010100001…
…100000011100111100001
322011221011201202100000000
4201220110030003213201
5300330442431010423
64525401213050213
7325652335214325
oct41502414034741
98157151670000
102311031110113
118111148a4410
12313a87786969
13139c1089096b
147dbd6a7d985
15401add23843
hex21a143039e1

2311031110113 has 36 divisors (see below), whose sum is σ = 3781495259568. Its totient is φ = 1400624871480.

The previous prime is 2311031110111. The next prime is 2311031110123. The reversal of 2311031110113 is 3110111301132.

2311031110113 is a `hidden beast` number, since 231 + 1 + 0 + 311 + 10 + 113 = 666.

It is not a de Polignac number, because 2311031110113 - 21 = 2311031110111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2311031110111) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15938631 + ... + 16082972.

It is an arithmetic number, because the mean of its divisors is an integer number (105041534988).

Almost surely, 22311031110113 is an apocalyptic number.

It is an amenable number.

2311031110113 is a deficient number, since it is larger than the sum of its proper divisors (1470464149455).

2311031110113 is an frugal number, since it uses more digits than its factorization.

2311031110113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32021638 (or 32021617 counting only the distinct ones).

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

Adding to 2311031110113 its reverse (3110111301132), we get a palindrome (5421142411245).

The spelling of 2311031110113 in words is "two trillion, three hundred eleven billion, thirty-one million, one hundred ten thousand, one hundred thirteen".

Divisors: 1 3 9 11 27 33 81 99 243 297 729 891 2187 2673 6561 8019 24057 72171 32021603 96064809 288194427 352237633 864583281 1056712899 2593749843 3170138697 7781249529 9510416091 23343748587 28531248273 70031245761 85593744819 210093737283 256781234457 770343703371 2311031110113