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231312344444 = 22268321553517
BaseRepresentation
bin1101011101101101001…
…0100100010101111100
3211010001112222121000022
43113123102210111330
512242211430010234
6254132522151312
722466064325646
oct3273322442574
9733045877008
10231312344444
118a10a874015
12389b6052538
1318a74551c3c
14b2a4941896
15603c3cae2e
hex35db4a457c

231312344444 has 12 divisors (see below), whose sum is σ = 404947496184. Its totient is φ = 115613059824.

The previous prime is 231312344413. The next prime is 231312344447. The reversal of 231312344444 is 444443213132.

231312344444 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231312344447) 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, 10766027 + ... + 10787490.

It is an arithmetic number, because the mean of its divisors is an integer number (33745624682).

Almost surely, 2231312344444 is an apocalyptic number.

It is an amenable number.

231312344444 is a deficient number, since it is larger than the sum of its proper divisors (173635151740).

231312344444 is a wasteful number, since it uses less digits than its factorization.

231312344444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21556204 (or 21556202 counting only the distinct ones).

The product of its digits is 110592, while the sum is 35.

Adding to 231312344444 its reverse (444443213132), we get a palindrome (675755557576).

The spelling of 231312344444 in words is "two hundred thirty-one billion, three hundred twelve million, three hundred forty-four thousand, four hundred forty-four".

Divisors: 1 2 4 2683 5366 10732 21553517 43107034 86214068 57828086111 115656172222 231312344444