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31213144441114 = 21131571500917551
BaseRepresentation
bin1110001100011011000000…
…11000110000000100011010
311002111221120200222122212221
413012031200120300010122
513042344004434103424
6150215042014454254
76401034550115056
oct706154030600432
9132457520878787
1031213144441114
119a44469348319
123601396b0438a
131455504ccc55c
1479ca1d4bcc66
15391dd39489e4
hex1c636063011a

31213144441114 has 32 divisors (see below), whose sum is σ = 47276246004480. Its totient is φ = 15454647936000.

The previous prime is 31213144441099. The next prime is 31213144441189. The reversal of 31213144441114 is 41114444131213.

It is a self number, because there is not a number n which added to its sum of digits gives 31213144441114.

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 15 ways as a sum of consecutive naturals, for example, 1778416639 + ... + 1778434189.

It is an arithmetic number, because the mean of its divisors is an integer number (1477382687640).

Almost surely, 231213144441114 is an apocalyptic number.

31213144441114 is a deficient number, since it is larger than the sum of its proper divisors (16063101563366).

31213144441114 is a wasteful number, since it uses less digits than its factorization.

31213144441114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24246.

The product of its digits is 18432, while the sum is 34.

Adding to 31213144441114 its reverse (41114444131213), we get a palindrome (72327588572327).

The spelling of 31213144441114 in words is "thirty-one trillion, two hundred thirteen billion, one hundred forty-four million, four hundred forty-one thousand, one hundred fourteen".

Divisors: 1 2 113 226 1571 3142 5009 10018 17551 35102 177523 355046 566017 1132034 1983263 3966526 7869139 15738278 27572621 55145242 87912959 175825918 889212707 1778425414 3115706173 6231412346 9934164367 19868328734 138111258589 276222517178 15606572220557 31213144441114