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331131300100100 = 22523797922628309
BaseRepresentation
bin100101101001010011000001…
…1100001000011100000000100
31121102102211202122100221111122
41023102212003201003200010
5321400223400311200400
63132131341430453112
7126514306206311063
oct11322460341034004
91542384678327448
10331131300100100
1196565aa5370a95
123117b56a504198
131129c717155b06
145baabaa2401da
152843741e22685
hex12d2983843804

331131300100100 has 72 divisors (see below), whose sum is σ = 745583318337480. Its totient is φ = 127544137297920.

The previous prime is 331131300100099. The next prime is 331131300100151. The reversal of 331131300100100 is 1001003131133.

It can be written as a sum of positive squares in 12 ways, for example, as 11526079320064 + 319605220780036 = 3395008^2 + 17877506^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 460955255 + ... + 461673054.

Almost surely, 2331131300100100 is an apocalyptic number.

It is an amenable number.

331131300100100 is an abundant number, since it is smaller than the sum of its proper divisors (414452018237380).

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

331131300100100 is a wasteful number, since it uses less digits than its factorization.

331131300100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922628457 (or 922628450 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 331131300100100 its reverse (1001003131133), we get a palindrome (332132303231233).

The spelling of 331131300100100 in words is "three hundred thirty-one trillion, one hundred thirty-one billion, three hundred million, one hundred thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 37 50 74 97 100 148 185 194 370 388 485 740 925 970 1850 1940 2425 3589 3700 4850 7178 9700 14356 17945 35890 71780 89725 179450 358900 922628309 1845256618 3690513236 4613141545 9226283090 18452566180 23065707725 34137247433 46131415450 68274494866 89494945973 92262830900 136548989732 170686237165 178989891946 341372474330 357979783892 447474729865 682744948660 853431185825 894949459730 1706862371650 1789898919460 2237373649325 3311313001001 3413724743300 4474747298650 6622626002002 8949494597300 13245252004004 16556565005005 33113130010010 66226260020020 82782825025025 165565650050050 331131300100100