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201030331221012 = 223174335963836419
BaseRepresentation
bin101101101101011000000101…
…011110110100010000010100
3222100210022102102121011020110
4231231120011132310100110
5202322140104243033022
61551320020443203020
760225651004224366
oct5555300536642024
9870708372534213
10201030331221012
1159066537140547
121a669037216470
13882310442c277
14378dcc4494d36
1518393d855900c
hexb6d6057b4414

201030331221012 has 96 divisors (see below), whose sum is σ = 509629121971200. Its totient is φ = 61430040387072.

The previous prime is 201030331221011. The next prime is 201030331221043. The reversal of 201030331221012 is 210122133030102.

201030331221012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2010303312210123 (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201030331221012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201030331221011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28769062 + ... + 35067357.

It is an arithmetic number, because the mean of its divisors is an integer number (5308636687200).

Almost surely, 2201030331221012 is an apocalyptic number.

It is an amenable number.

201030331221012 is an abundant number, since it is smaller than the sum of its proper divisors (308598790750188).

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

201030331221012 is a wasteful number, since it uses less digits than its factorization.

201030331221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63836845 (or 63836843 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 201030331221012 its reverse (210122133030102), we get a palindrome (411152464251114).

The spelling of 201030331221012 in words is "two hundred one trillion, thirty billion, three hundred thirty-one million, two hundred twenty-one thousand, twelve".

Divisors: 1 2 3 4 6 12 17 34 43 51 68 86 102 129 172 204 258 359 516 718 731 1077 1436 1462 2154 2193 2924 4308 4386 6103 8772 12206 15437 18309 24412 30874 36618 46311 61748 73236 92622 185244 262429 524858 787287 1049716 1574574 3149148 63836419 127672838 191509257 255345676 383018514 766037028 1085219123 2170438246 2744966017 3255657369 4340876492 5489932034 6511314738 8234898051 10979864068 13022629476 16469796102 22917274421 32939592204 45834548842 46664422289 68751823263 91669097684 93328844578 137503646526 139993266867 186657689156 275007293052 279986533734 389593665157 559973067468 779187330314 985442800103 1168780995471 1558374660628 1970885600206 2337561990942 2956328400309 3941771200412 4675123981884 5912656800618 11825313601236 16752527601751 33505055203502 50257582805253 67010110407004 100515165610506 201030331221012