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231211011300103 = 2983103932599543
BaseRepresentation
bin110100100100100100000010…
…001100100101101100000111
31010022122120000220201221002201
4310210210002030211230013
5220301130122343100403
62135424512223415331
766462305254145602
oct6444440214455407
91108576026657081
10231211011300103
116774204824720a
1221b222aba54547
139c02149368a03
14411495baab339
151bae4e05c621d
hexd24902325b07

231211011300103 has 16 divisors (see below), whose sum is σ = 244415688491520. Its totient is φ = 218407351940064.

The previous prime is 231211011300091. The next prime is 231211011300121. The reversal of 231211011300103 is 301003110112132.

It is a cyclic number.

It is not a de Polignac number, because 231211011300103 - 241 = 229011988044551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231211011300803) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 466051851 + ... + 466547692.

It is an arithmetic number, because the mean of its divisors is an integer number (15275980530720).

Almost surely, 2231211011300103 is an apocalyptic number.

231211011300103 is a deficient number, since it is larger than the sum of its proper divisors (13204677191417).

231211011300103 is a wasteful number, since it uses less digits than its factorization.

231211011300103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932599758.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 231211011300103 its reverse (301003110112132), we get a palindrome (532214121412235).

The spelling of 231211011300103 in words is "two hundred thirty-one trillion, two hundred eleven billion, eleven million, three hundred thousand, one hundred three".

Divisors: 1 29 83 103 2407 2987 8549 247921 932599543 27045386747 77405762069 96057752929 2244767100001 2785674834941 7972793493107 231211011300103