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203131301330043 = 3253795390528921
BaseRepresentation
bin101110001011111100110001…
…000011101111110001111011
3222122020011101122111222212100
4232023330301003233301323
5203111100401120030133
62000005122004114443
760533516003416242
oct5613746103576173
9878204348458770
10203131301330043
11597a6556a84729
121a948259995a23
138946279475a88
143823870b71959
151873da09eae13
hexb8bf310efc7b

203131301330043 has 24 divisors (see below), whose sum is σ = 302732104259520. Its totient is φ = 131183911797120.

The previous prime is 203131301330021. The next prime is 203131301330053. The reversal of 203131301330043 is 340033103131302.

203131301330043 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 313 + 0 + 1 + 3 + 300 + 43 = 666.

It is not a de Polignac number, because 203131301330043 - 28 = 203131301329787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203131301329989 and 203131301330016.

It is not an unprimeable number, because it can be changed into a prime (203131301330053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2695226778 + ... + 2695302143.

It is an arithmetic number, because the mean of its divisors is an integer number (12613837677480).

Almost surely, 2203131301330043 is an apocalyptic number.

203131301330043 is a deficient number, since it is larger than the sum of its proper divisors (99600802929477).

203131301330043 is a wasteful number, since it uses less digits than its factorization.

203131301330043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5390529059 (or 5390529056 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 203131301330043 its reverse (340033103131302), we get a palindrome (543164404461345).

The spelling of 203131301330043 in words is "two hundred three trillion, one hundred thirty-one billion, three hundred one million, three hundred thirty thousand, forty-three".

Divisors: 1 3 9 53 79 159 237 477 711 4187 12561 37683 5390528921 16171586763 48514760289 285698032813 425851784759 857094098439 1277555354277 2571282295317 3832666062831 22570144592227 67710433776681 203131301330043