Base | Representation |
---|---|
bin | 11100111001101001… |
… | …110000110000100011 |
3 | 2222002200012221200012 |
4 | 130321221300300203 |
5 | 1002023144120003 |
6 | 22131135515135 |
7 | 2146000550345 |
oct | 347151606043 |
9 | 88080187605 |
10 | 31032020003 |
11 | 12184847a26 |
12 | 6020688aab |
13 | 2c0713381a |
14 | 170552d295 |
15 | c195328d8 |
hex | 739a70c23 |
31032020003 has 8 divisors (see below), whose sum is σ = 32383811328. Its totient is φ = 29680443144.
The previous prime is 31032019943. The next prime is 31032020027. The reversal of 31032020003 is 30002023013.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31032020003 - 216 = 31031954467 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 31032020003.
It is not an unprimeable number, because it can be changed into a prime (31032029003) 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 7 ways as a sum of consecutive naturals, for example, 288626 + ... + 381272.
It is an arithmetic number, because the mean of its divisors is an integer number (4047976416).
Almost surely, 231032020003 is an apocalyptic number.
31032020003 is a deficient number, since it is larger than the sum of its proper divisors (1351791325).
31032020003 is a wasteful number, since it uses less digits than its factorization.
31032020003 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107233.
The product of its (nonzero) digits is 108, while the sum is 14.
Adding to 31032020003 its reverse (30002023013), we get a palindrome (61034043016).
The spelling of 31032020003 in words is "thirty-one billion, thirty-two million, twenty thousand, three".
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