Base | Representation |
---|---|
bin | 11101000101000110… |
… | …011111110011101011 |
3 | 2222121001122201210210 |
4 | 131011012133303223 |
5 | 1002421332231443 |
6 | 22202200512203 |
7 | 2153522326464 |
oct | 350506376353 |
9 | 88531581723 |
10 | 31224102123 |
11 | 12273212085 |
12 | 6074a7b663 |
13 | 2c37b77b96 |
14 | 1722c4dd6b |
15 | c2b325c33 |
hex | 74519fceb |
31224102123 has 8 divisors (see below), whose sum is σ = 41650739200. Its totient is φ = 20806766568.
The previous prime is 31224102109. The next prime is 31224102137. The reversal of 31224102123 is 32120142213.
It is an interprime number because it is at equal distance from previous prime (31224102109) and next prime (31224102137).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31224102123 - 212 = 31224098027 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 31224102123.
It is not an unprimeable number, because it can be changed into a prime (31224102163) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2317543 + ... + 2330976.
It is an arithmetic number, because the mean of its divisors is an integer number (5206342400).
Almost surely, 231224102123 is an apocalyptic number.
31224102123 is a deficient number, since it is larger than the sum of its proper divisors (10426637077).
31224102123 is a wasteful number, since it uses less digits than its factorization.
31224102123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4650761.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 31224102123 its reverse (32120142213), we get a palindrome (63344244336).
The spelling of 31224102123 in words is "thirty-one billion, two hundred twenty-four million, one hundred two thousand, one hundred twenty-three".
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