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31442204123330 = 25721113448725619
BaseRepresentation
bin1110010011000101101010…
…11010000110000011000010
311010022211211021012011020212
413021202311122012003002
513110122113223421310
6150512203230434122
76423424062231500
oct711426532060302
9133284737164225
1031442204123330
11a022622592910
123639862662942
131470caa941a60
147a9b4cb95670
15397d3d1a4205
hex1c98b56860c2

31442204123330 has 96 divisors (see below), whose sum is σ = 77345937668160. Its totient is φ = 9046308458880.

The previous prime is 31442204123293. The next prime is 31442204123377. The reversal of 31442204123330 is 3332140224413.

It is a super-2 number, since 2×314422041233302 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 224292740 + ... + 224432879.

It is an arithmetic number, because the mean of its divisors is an integer number (805686850710).

Almost surely, 231442204123330 is an apocalyptic number.

31442204123330 is an abundant number, since it is smaller than the sum of its proper divisors (45903733544830).

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

31442204123330 is a wasteful number, since it uses less digits than its factorization.

31442204123330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448725664 (or 448725657 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 31442204123330 its reverse (3332140224413), we get a palindrome (34774344347743).

The spelling of 31442204123330 in words is "thirty-one trillion, four hundred forty-two billion, two hundred four million, one hundred twenty-three thousand, three hundred thirty".

Divisors: 1 2 5 7 10 11 13 14 22 26 35 49 55 65 70 77 91 98 110 130 143 154 182 245 286 385 455 490 539 637 715 770 910 1001 1078 1274 1430 2002 2695 3185 5005 5390 6370 7007 10010 14014 35035 70070 448725619 897451238 2243628095 3141079333 4487256190 4935981809 5833433047 6282158666 9871963618 11666866094 15705396665 21987555331 24679909045 29167165235 31410793330 34551872663 40834031329 43975110662 49359818090 58334330470 64167763517 69103745326 81668062658 109937776655 128335527034 172759363315 204170156645 219875553310 241863108641 285838219303 320838817585 345518726630 408340313290 449174344619 483726217282 571676438606 641677635170 898348689238 1209315543205 1429191096515 2245871723095 2418631086410 2858382193030 3144220412333 4491743446190 6288440824666 15721102061665 31442204123330