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31324122244 = 227831030561
BaseRepresentation
bin11101001011000100…
…000010110010000100
32222212000212021121201
4131023010002302010
51003122433402434
622220132352244
72156145434362
oct351304026204
988760767551
1031324122244
1112314717738
1260a2475684
132c527c789c
141732248632
15c34ed1614
hex74b102c84

31324122244 has 6 divisors (see below), whose sum is σ = 54817213934. Its totient is φ = 15662061120.

The previous prime is 31324122241. The next prime is 31324122281. The reversal of 31324122244 is 44222142313.

It can be written as a sum of positive squares in only one way, i.e., 31218649344 + 105472900 = 176688^2 + 10270^2 .

It is not an unprimeable number, because it can be changed into a prime (31324122241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3915515277 + ... + 3915515284.

Almost surely, 231324122244 is an apocalyptic number.

It is an amenable number.

31324122244 is a deficient number, since it is larger than the sum of its proper divisors (23493091690).

31324122244 is a wasteful number, since it uses less digits than its factorization.

31324122244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7831030565 (or 7831030563 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

Adding to 31324122244 its reverse (44222142313), we get a palindrome (75546264557).

The spelling of 31324122244 in words is "thirty-one billion, three hundred twenty-four million, one hundred twenty-two thousand, two hundred forty-four".

Divisors: 1 2 4 7831030561 15662061122 31324122244