Base | Representation |
---|---|
bin | 11100111001101011… |
… | …000000001011101100 |
3 | 2222002200211110221010 |
4 | 130321223000023230 |
5 | 1002023240022244 |
6 | 22131150505220 |
7 | 2146003403661 |
oct | 347153001354 |
9 | 88080743833 |
10 | 31032345324 |
11 | 12184a4a392 |
12 | 6020805210 |
13 | 2c07218916 |
14 | 17055b5a68 |
15 | c19598eb9 |
hex | 739ac02ec |
31032345324 has 12 divisors (see below), whose sum is σ = 72408805784. Its totient is φ = 10344115104.
The previous prime is 31032345313. The next prime is 31032345329. The reversal of 31032345324 is 42354323013.
It is a tau number, because it is divible by the number of its divisors (12).
It is a junction number, because it is equal to n+sod(n) for n = 31032345291 and 31032345300.
It is not an unprimeable number, because it can be changed into a prime (31032345329) 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 3 ways as a sum of consecutive naturals, for example, 1293014377 + ... + 1293014400.
Almost surely, 231032345324 is an apocalyptic number.
It is an amenable number.
31032345324 is an abundant number, since it is smaller than the sum of its proper divisors (41376460460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31032345324 is a wasteful number, since it uses less digits than its factorization.
31032345324 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2586028784 (or 2586028782 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 30.
Adding to 31032345324 its reverse (42354323013), we get a palindrome (73386668337).
The spelling of 31032345324 in words is "thirty-one billion, thirty-two million, three hundred forty-five thousand, three hundred twenty-four".
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