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221030013112311 = 31343131800842643
BaseRepresentation
bin110010010000011010001111…
…011010101000111111110111
31001222121021002122111001210110
4302100122033122220333313
5212432323431324043221
62102031441455154103
764361614526335554
oct6220321732507767
91058537078431713
10221030013112311
1164477336185827
1220959120215933
13964406b8448b0
143c81ca4387a2b
151a84770505776
hexc9068f6a8ff7

221030013112311 has 16 divisors (see below), whose sum is σ = 324757276274816. Its totient is φ = 132855249383136.

The previous prime is 221030013112301. The next prime is 221030013112319. The reversal of 221030013112311 is 113211310030122.

It is not a de Polignac number, because 221030013112311 - 210 = 221030013111287 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 (221030013112319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65900419645 + ... + 65900422998.

It is an arithmetic number, because the mean of its divisors is an integer number (20297329767176).

Almost surely, 2221030013112311 is an apocalyptic number.

221030013112311 is a deficient number, since it is larger than the sum of its proper divisors (103727263162505).

221030013112311 is a wasteful number, since it uses less digits than its factorization.

221030013112311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131800842702.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 221030013112311 its reverse (113211310030122), we get a palindrome (334241323142433).

The spelling of 221030013112311 in words is "two hundred twenty-one trillion, thirty billion, thirteen million, one hundred twelve thousand, three hundred eleven".

Divisors: 1 3 13 39 43 129 559 1677 131800842643 395402527929 1713410954359 5140232863077 5667436233649 17002308700947 73676671037437 221030013112311