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31324013044 = 22127271227533
BaseRepresentation
bin11101001011000011…
…101000000111110100
32222212000122201211021
4131023003220013310
51003122421404134
622220130150524
72156144501122
oct351303500764
988760581737
1031324013044
1112314652695
1260a2422444
132c52789c7c
14173221a912
15c34eae0b4
hex74b0e81f4

31324013044 has 24 divisors (see below), whose sum is σ = 55452766208. Its totient is φ = 15481277280.

The previous prime is 31324013033. The next prime is 31324013059. The reversal of 31324013044 is 44031042313.

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 7 ways as a sum of consecutive naturals, for example, 23902 + ... + 251434.

Almost surely, 231324013044 is an apocalyptic number.

It is an amenable number.

31324013044 is a deficient number, since it is larger than the sum of its proper divisors (24128753164).

31324013044 is a wasteful number, since it uses less digits than its factorization.

31324013044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227935 (or 227933 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 31324013044 its reverse (44031042313), we get a palindrome (75355055357).

The spelling of 31324013044 in words is "thirty-one billion, three hundred twenty-four million, thirteen thousand, forty-four".

Divisors: 1 2 4 127 254 271 508 542 1084 34417 68834 137668 227533 455066 910132 28896691 57793382 61661443 115586764 123322886 246645772 7831003261 15662006522 31324013044