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243311200231 = 11171588781899
BaseRepresentation
bin1110001010011001111…
…0100100011111100111
3212021000202221121210111
43202212132210133213
512441300131401411
6303435311233451
723402323035541
oct3424636443747
9767022847714
10243311200231
1194207913a60
123b1a4518887
1319c373a59c8
14bac2342691
1564e09c2721
hex38a67a47e7

243311200231 has 16 divisors (see below), whose sum is σ = 281065075200. Its totient is φ = 208165060480.

The previous prime is 243311200219. The next prime is 243311200241. The reversal of 243311200231 is 132002113342.

It is a cyclic number.

It is not a de Polignac number, because 243311200231 - 223 = 243302811623 is a prime.

It is a super-2 number, since 2×2433112002312 (a number of 24 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 (243311200241) 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, 2929920 + ... + 3011818.

It is an arithmetic number, because the mean of its divisors is an integer number (17566567200).

Almost surely, 2243311200231 is an apocalyptic number.

243311200231 is a deficient number, since it is larger than the sum of its proper divisors (37753874969).

243311200231 is a wasteful number, since it uses less digits than its factorization.

243311200231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97814.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 243311200231 its reverse (132002113342), we get a palindrome (375313313573).

The spelling of 243311200231 in words is "two hundred forty-three billion, three hundred eleven million, two hundred thousand, two hundred thirty-one".

Divisors: 1 11 17 187 15887 81899 174757 270079 900889 1392283 2970869 15315113 1301129413 14312423543 22119200021 243311200231