Base | Representation |
---|---|
bin | 11101001100001100… |
… | …000111000010100001 |
3 | 2222220100102002022012 |
4 | 131030030013002201 |
5 | 1003142302422144 |
6 | 22222045322305 |
7 | 2156465136464 |
oct | 351414070241 |
9 | 88810362265 |
10 | 31343014049 |
11 | 123243503a6 |
12 | 60a8866395 |
13 | 2c566b0779 |
14 | 17349652db |
15 | c369b3e9e |
hex | 74c3070a1 |
31343014049 has 2 divisors, whose sum is σ = 31343014050. Its totient is φ = 31343014048.
The previous prime is 31343014013. The next prime is 31343014057. The reversal of 31343014049 is 94041034313.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 30633750625 + 709263424 = 175025^2 + 26632^2 .
It is an emirp because it is prime and its reverse (94041034313) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31343014049 is a prime.
It is a super-2 number, since 2×313430140492 (a number of 22 digits) contains 22 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (31343014009) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15671507024 + 15671507025.
It is an arithmetic number, because the mean of its divisors is an integer number (15671507025).
Almost surely, 231343014049 is an apocalyptic number.
It is an amenable number.
31343014049 is a deficient number, since it is larger than the sum of its proper divisors (1).
31343014049 is an equidigital number, since it uses as much as digits as its factorization.
31343014049 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 15552, while the sum is 32.
The spelling of 31343014049 in words is "thirty-one billion, three hundred forty-three million, fourteen thousand, forty-nine".
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