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31322221003030 = 25411014991515817
BaseRepresentation
bin1110001111100110001011…
…10110110100000100010110
311002220101010102210010100111
413013303011312310010112
513101140402034044110
6150341121340033234
76411645556441156
oct707630566640426
9132811112703314
1031322221003030
119a86752207761
12361a55853281a
1314628990b7799
147a4009ba4766
15394b69934e8a
hex1c7cc5db4116

31322221003030 has 64 divisors (see below), whose sum is σ = 58443878808000. Its totient is φ = 12078021888000.

The previous prime is 31322221003027. The next prime is 31322221003039. The reversal of 31322221003030 is 3030012222313.

It is a junction number, because it is equal to n+sod(n) for n = 31322221002992 and 31322221003010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31322221003039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19905682 + ... + 21421498.

It is an arithmetic number, because the mean of its divisors is an integer number (913185606375).

Almost surely, 231322221003030 is an apocalyptic number.

31322221003030 is a deficient number, since it is larger than the sum of its proper divisors (27121657804970).

31322221003030 is a wasteful number, since it uses less digits than its factorization.

31322221003030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516465.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 31322221003030 its reverse (3030012222313), we get a palindrome (34352233225343).

The spelling of 31322221003030 in words is "thirty-one trillion, three hundred twenty-two billion, two hundred twenty-one million, three thousand, thirty".

Divisors: 1 2 5 10 41 82 101 202 205 410 499 505 998 1010 2495 4141 4990 8282 20459 20705 40918 41410 50399 100798 102295 204590 251995 503990 1515817 2066359 3031634 4132718 7579085 10331795 15158170 20663590 62148497 124296994 153097517 306195034 310742485 621484970 756392683 765487585 1512785366 1530975170 3781963415 6276998197 7563926830 12553996394 31012100003 31384990985 62024200006 62769981970 76395660983 152791321966 155060500015 310121000030 381978304915 763956609830 3132222100303 6264444200606 15661110501515 31322221003030