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31233423244 = 227808355811
BaseRepresentation
bin11101000101101010…
…000011011110001100
32222121201012021222111
4131011222003132030
51002431224020434
622203132353404
72153664500662
oct350552033614
988551167874
1031233423244
11122784a9191
126078015864
132c39a8c73a
141724198c32
15c2c067964
hex745a8378c

31233423244 has 6 divisors (see below), whose sum is σ = 54658490684. Its totient is φ = 15616711620.

The previous prime is 31233423241. The next prime is 31233423253. The reversal of 31233423244 is 44232433213.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31233423241) by changing a digit.

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 as a sum of consecutive naturals, namely, 3904177902 + ... + 3904177909.

Almost surely, 231233423244 is an apocalyptic number.

It is an amenable number.

31233423244 is a deficient number, since it is larger than the sum of its proper divisors (23425067440).

31233423244 is a wasteful number, since it uses less digits than its factorization.

31233423244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7808355815 (or 7808355813 counting only the distinct ones).

The product of its digits is 41472, while the sum is 31.

Adding to 31233423244 its reverse (44232433213), we get a palindrome (75465856457).

The spelling of 31233423244 in words is "thirty-one billion, two hundred thirty-three million, four hundred twenty-three thousand, two hundred forty-four".

Divisors: 1 2 4 7808355811 15616711622 31233423244