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30231031330302 = 231117311033184131
BaseRepresentation
bin1101101111110101101011…
…11000100011010111111110
310222001001120112220100120020
412313322311320203113332
512430301123010032202
6144143535530233010
76240056065322025
oct667726570432776
9128031515810506
1030231031330302
1196a59aa078a80
123482b87285766
1313b3a0a6b001a
1476729285b8bc
153765a26965bc
hex1b7eb5e235fe

30231031330302 has 128 divisors (see below), whose sum is σ = 72099223289856. Its totient is φ = 8343003840000.

The previous prime is 30231031330193. The next prime is 30231031330307. The reversal of 30231031330302 is 20303313013203.

It is a super-2 number, since 2×302310313303022 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231031330307) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 359290777 + ... + 359374907.

It is an arithmetic number, because the mean of its divisors is an integer number (563275181952).

Almost surely, 230231031330302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30231031330302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36049611644928).

30231031330302 is an abundant number, since it is smaller than the sum of its proper divisors (41868191959554).

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

30231031330302 is a wasteful number, since it uses less digits than its factorization.

30231031330302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94526.

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 30231031330302 its reverse (20303313013203), we get a palindrome (50534344343505).

The spelling of 30231031330302 in words is "thirty trillion, two hundred thirty-one billion, thirty-one million, three hundred thirty thousand, three hundred two".

Divisors: 1 2 3 6 11 17 22 31 33 34 51 62 66 93 102 186 187 341 374 527 561 682 1023 1054 1122 1581 2046 3162 5797 10331 11594 17391 20662 30993 34782 61986 84131 113641 168262 175627 227282 252393 320261 340923 351254 504786 526881 640522 681846 925441 960783 1053762 1430227 1850882 1921566 1931897 2608061 2776323 2860454 3522871 3863794 4290681 5216122 5444437 5552646 5795691 7045742 7824183 8581362 10568613 10888874 11591382 15648366 15732497 16333311 21137226 28688671 31464994 32666622 44337037 47197491 57377342 59888807 86066013 88674074 94394982 119777614 133011111 172132026 179666421 266022222 359332842 487707407 869157361 975414814 1463122221 1738314722 2607472083 2926244442 5214944166 9560730971 14775675137 19121461942 26943878191 28682192913 29551350274 44327025411 53887756382 57364385826 80831634573 88654050822 161663269146 162532426507 296382660101 325064853014 458045929247 487597279521 592765320202 889147980303 916091858494 975194559042 1374137787741 1778295960606 2748275575482 5038505221717 10077010443434 15115515665151 30231031330302