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231302123030 = 251110131166943
BaseRepresentation
bin1101011101101010101…
…1100100111000010110
3211010000211202021212102
43113122223210320112
512242201320414110
6254131515122102
722465611414626
oct3273253447026
9733024667772
10231302123030
118a105022570
12389b2743332
1318a723b3674
14b2a3440886
15603b55c5a5
hex35daae4e16

231302123030 has 64 divisors (see below), whose sum is σ = 460171984896. Its totient is φ = 83008080000.

The previous prime is 231302123027. The next prime is 231302123111. The reversal of 231302123030 is 30321203132.

231302123030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231302122993 and 231302123011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3421739 + ... + 3488681.

It is an arithmetic number, because the mean of its divisors is an integer number (7190187264).

Almost surely, 2231302123030 is an apocalyptic number.

231302123030 is a deficient number, since it is larger than the sum of its proper divisors (228869861866).

231302123030 is a wasteful number, since it uses less digits than its factorization.

231302123030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67373.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 231302123030 its reverse (30321203132), we get a palindrome (261623326162).

The spelling of 231302123030 in words is "two hundred thirty-one billion, three hundred two million, one hundred twenty-three thousand, thirty".

Divisors: 1 2 5 10 11 22 55 101 110 202 311 505 622 1010 1111 1555 2222 3110 3421 5555 6842 11110 17105 31411 34210 62822 66943 133886 157055 314110 334715 345521 669430 691042 736373 1472746 1727605 3455210 3681865 6761243 7363730 13522486 20819273 33806215 41638546 67612430 74373673 104096365 148747346 208192730 229012003 371868365 458024006 743736730 1145060015 2102746573 2290120030 4205493146 10513732865 21027465730 23130212303 46260424606 115651061515 231302123030