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331234012230 = 2351115137917539
BaseRepresentation
bin1001101000111110001…
…01011110110001000110
31011122222021020020122220
410310133011132301012
520411331401342410
6412100010233210
732634200435442
oct4643705366106
91148867206586
10331234012230
11118525a67a50
1254241725806
1325309a66454
1412063411822
1589397e1070
hex4d1f15ec46

331234012230 has 128 divisors (see below), whose sum is σ = 875327385600. Its totient is φ = 79552368000.

The previous prime is 331234012211. The next prime is 331234012267. The reversal of 331234012230 is 32210432133.

It is a self number, because there is not a number n which added to its sum of digits gives 331234012230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18876801 + ... + 18894339.

It is an arithmetic number, because the mean of its divisors is an integer number (6838495200).

Almost surely, 2331234012230 is an apocalyptic number.

331234012230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 331234012230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437663692800).

331234012230 is an abundant number, since it is smaller than the sum of its proper divisors (544093373370).

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

331234012230 is a wasteful number, since it uses less digits than its factorization.

331234012230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18090.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 331234012230 its reverse (32210432133), we get a palindrome (363444444363).

The spelling of 331234012230 in words is "three hundred thirty-one billion, two hundred thirty-four million, twelve thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 151 165 302 330 379 453 755 758 906 1137 1510 1661 1895 2265 2274 3322 3790 4169 4530 4983 5685 8305 8338 9966 11370 12507 16610 17539 20845 24915 25014 35078 41690 49830 52617 57229 62535 87695 105234 114458 125070 171687 175390 192929 263085 286145 343374 385858 526170 572290 578787 629519 858435 964645 1157574 1259038 1716870 1888557 1929290 2648389 2893935 3147595 3777114 5296778 5787870 6295190 6647281 7945167 9442785 13241945 13294562 15890334 18885570 19941843 26483890 29132279 33236405 39725835 39883686 58264558 66472810 73120091 79451670 87396837 99709215 145661395 146240182 174793674 199418430 219360273 291322790 365600455 436984185 438720546 731200910 873968370 1003739431 1096801365 2007478862 2193602730 3011218293 5018697155 6022436586 10037394310 11041133741 15056091465 22082267482 30112182930 33123401223 55205668705 66246802446 110411337410 165617006115 331234012230