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31120012010002 = 2591723208173553
BaseRepresentation
bin1110001001101101100010…
…10000101110001000010010
311002012001012010212222002111
413010312301100232020102
513034332241033310002
6150104200335335534
76361226623401226
oct704666120561022
9132161163788074
1031120012010002
119a08a17534393
1235a73250815aa
1314497b2238856
14798306584786
1538e7825b93d7
hex1c4db142e212

31120012010002 has 32 divisors (see below), whose sum is σ = 47522227296960. Its totient is φ = 15279845468160.

The previous prime is 31120012009907. The next prime is 31120012010063. The reversal of 31120012010002 is 20001021002113.

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 15 ways as a sum of consecutive naturals, for example, 423059658 + ... + 423133210.

It is an arithmetic number, because the mean of its divisors is an integer number (1485069603030).

Almost surely, 231120012010002 is an apocalyptic number.

31120012010002 is a deficient number, since it is larger than the sum of its proper divisors (16402215286958).

31120012010002 is a wasteful number, since it uses less digits than its factorization.

31120012010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77418.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 31120012010002 its reverse (20001021002113), we get a palindrome (51121033012115).

The spelling of 31120012010002 in words is "thirty-one trillion, one hundred twenty billion, twelve million, ten thousand, two".

Divisors: 1 2 59 118 1723 2081 3446 4162 73553 101657 122779 147106 203314 245558 3585563 4339627 7171126 8679254 126731819 153063793 211548217 253463638 306127586 423096434 7477177321 9030763787 14954354642 18061527574 263728915339 527457830678 15560006005001 31120012010002