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231344034444 = 22332142074393
BaseRepresentation
bin1101011101110100101…
…1011101001010001100
3211010010202121121112000
43113131023131022030
512242243033100234
6254140013312300
722466630563425
oct3273513351214
9733122547460
10231344034444
118a1267491a6
1238a04795690
1318a7ac99213
14b2a8c3064c
15604008a899
hex35dd2dd28c

231344034444 has 24 divisors (see below), whose sum is σ = 599780830320. Its totient is φ = 77114678112.

The previous prime is 231344034433. The next prime is 231344034541. The reversal of 231344034444 is 444430443132.

231344034444 is a `hidden beast` number, since 231 + 3 + 4 + 40 + 344 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 231344034399 and 231344034408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1071037089 + ... + 1071037304.

It is an arithmetic number, because the mean of its divisors is an integer number (24990867930).

Almost surely, 2231344034444 is an apocalyptic number.

It is an amenable number.

231344034444 is an abundant number, since it is smaller than the sum of its proper divisors (368436795876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231344034444 is a wasteful number, since it uses less digits than its factorization.

231344034444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142074406 (or 2142074398 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 231344034444 its reverse (444430443132), we get a palindrome (675774477576).

The spelling of 231344034444 in words is "two hundred thirty-one billion, three hundred forty-four million, thirty-four thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 2142074393 4284148786 6426223179 8568297572 12852446358 19278669537 25704892716 38557339074 57836008611 77114678148 115672017222 231344034444