Base | Representation |
---|---|
bin | 11101001100001100… |
… | …000110001001110111 |
3 | 2222220100101220022220 |
4 | 131030030012021313 |
5 | 1003142302313143 |
6 | 22222045253423 |
7 | 2156465123064 |
oct | 351414061167 |
9 | 88810356286 |
10 | 31343010423 |
11 | 123243486aa |
12 | 60a8864273 |
13 | 2c566abc1a |
14 | 1734963c6b |
15 | c369b2d83 |
hex | 74c306277 |
31343010423 has 16 divisors (see below), whose sum is σ = 42641113056. Its totient is φ = 20472791040.
The previous prime is 31343010407. The next prime is 31343010431. The reversal of 31343010423 is 32401034313.
It is not a de Polignac number, because 31343010423 - 24 = 31343010407 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31343010393 and 31343010402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31343010463) 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 in 15 ways as a sum of consecutive naturals, for example, 286186 + ... + 380247.
It is an arithmetic number, because the mean of its divisors is an integer number (2665069566).
Almost surely, 231343010423 is an apocalyptic number.
31343010423 is a deficient number, since it is larger than the sum of its proper divisors (11298102633).
31343010423 is a wasteful number, since it uses less digits than its factorization.
31343010423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 666754.
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 31343010423 its reverse (32401034313), we get a palindrome (63744044736).
The spelling of 31343010423 in words is "thirty-one billion, three hundred forty-three million, ten thousand, four hundred twenty-three".
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