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111203300231 = 234834926097
BaseRepresentation
bin110011110010000111…
…0111011001110000111
3101122000221121221222022
41213210032323032013
53310221021101411
6123030332353355
711014502312252
oct1474416731607
9348027557868
10111203300231
1143185400411
121967591585b
13a6428a858a
14554cd32099
152d5ca85edb
hex19e43bb387

111203300231 has 4 divisors (see below), whose sum is σ = 116038226352. Its totient is φ = 106368374112.

The previous prime is 111203300213. The next prime is 111203300291. The reversal of 111203300231 is 132003302111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132003302111 = 633472083813.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-111203300231 is a prime.

It is a super-2 number, since 2×1112033002312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111203300291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2417463026 + ... + 2417463071.

It is an arithmetic number, because the mean of its divisors is an integer number (29009556588).

Almost surely, 2111203300231 is an apocalyptic number.

111203300231 is a deficient number, since it is larger than the sum of its proper divisors (4834926121).

111203300231 is an equidigital number, since it uses as much as digits as its factorization.

111203300231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4834926120.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 111203300231 its reverse (132003302111), we get a palindrome (243206602342).

The spelling of 111203300231 in words is "one hundred eleven billion, two hundred three million, three hundred thousand, two hundred thirty-one".

Divisors: 1 23 4834926097 111203300231