Base | Representation |
---|---|
bin | 11100111000010110… |
… | …101001011100011001 |
3 | 2222001011020000021102 |
4 | 130320112221130121 |
5 | 1002002104411324 |
6 | 22125040521145 |
7 | 2145314423624 |
oct | 347026513431 |
9 | 88034200242 |
10 | 31010232089 |
11 | 12173516391 |
12 | 60153201b5 |
13 | 2c02775675 |
14 | 170269adbb |
15 | c1767bdae |
hex | 7385a9719 |
31010232089 has 2 divisors, whose sum is σ = 31010232090. Its totient is φ = 31010232088.
The previous prime is 31010232059. The next prime is 31010232119. The reversal of 31010232089 is 98023201013.
It is a balanced prime because it is at equal distance from previous prime (31010232059) and next prime (31010232119).
It can be written as a sum of positive squares in only one way, i.e., 30978816064 + 31416025 = 176008^2 + 5605^2 .
It is an emirp because it is prime and its reverse (98023201013) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31010232089 is a prime.
It is not a weakly prime, because it can be changed into another prime (31010232059) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15505116044 + 15505116045.
It is an arithmetic number, because the mean of its divisors is an integer number (15505116045).
Almost surely, 231010232089 is an apocalyptic number.
It is an amenable number.
31010232089 is a deficient number, since it is larger than the sum of its proper divisors (1).
31010232089 is an equidigital number, since it uses as much as digits as its factorization.
31010232089 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2592, while the sum is 29.
The spelling of 31010232089 in words is "thirty-one billion, ten million, two hundred thirty-two thousand, eighty-nine".
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