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31214432014 = 22310319973299
BaseRepresentation
bin11101000100100001…
…100110111100001110
32222120101110102220121
4131010201212330032
51002411343311024
622201213335154
72153344202653
oct350441467416
988511412817
1031214432014
1112268807857
1260717974ba
132c35b7051c
141721853c2a
15c2a5658e4
hex744866f0e

31214432014 has 32 divisors (see below), whose sum is σ = 49371379200. Its totient is φ = 14771821152.

The previous prime is 31214431999. The next prime is 31214432021. The reversal of 31214432014 is 41023441213.

It is a self number, because there is not a number n which added to its sum of digits gives 31214432014.

It is a congruent number.

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, 9460137 + ... + 9463435.

It is an arithmetic number, because the mean of its divisors is an integer number (1542855600).

Almost surely, 231214432014 is an apocalyptic number.

31214432014 is a deficient number, since it is larger than the sum of its proper divisors (18156947186).

31214432014 is a wasteful number, since it uses less digits than its factorization.

31214432014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5424.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 31214432014 its reverse (41023441213), we get a palindrome (72237873227).

The spelling of 31214432014 in words is "thirty-one billion, two hundred fourteen million, four hundred thirty-two thousand, fourteen".

Divisors: 1 2 23 46 103 206 1997 2369 3299 3994 4738 6598 45931 75877 91862 151754 205691 339797 411382 679594 4730893 6588103 7815331 9461786 13176206 15630662 151526369 303052738 678574609 1357149218 15607216007 31214432014