Base | Representation |
---|---|
bin | 11101001011101001… |
… | …110101111101111011 |
3 | 2222212201111201012002 |
4 | 131023221311331323 |
5 | 1003133002444402 |
6 | 22221125011215 |
7 | 2156325604502 |
oct | 351351657573 |
9 | 88781451162 |
10 | 31334031227 |
11 | 1231a275484 |
12 | 60a5853b0b |
13 | 2c54886ba5 |
14 | 17336a7839 |
15 | c35cdc602 |
hex | 74ba75f7b |
31334031227 has 2 divisors, whose sum is σ = 31334031228. Its totient is φ = 31334031226.
The previous prime is 31334031161. The next prime is 31334031251. The reversal of 31334031227 is 72213043313.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31334031227 is a prime.
It is a super-2 number, since 2×313340312272 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 31334031227.
It is not a weakly prime, because it can be changed into another prime (31334031277) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15667015613 + 15667015614.
It is an arithmetic number, because the mean of its divisors is an integer number (15667015614).
Almost surely, 231334031227 is an apocalyptic number.
31334031227 is a deficient number, since it is larger than the sum of its proper divisors (1).
31334031227 is an equidigital number, since it uses as much as digits as its factorization.
31334031227 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 9072, while the sum is 29.
The spelling of 31334031227 in words is "thirty-one billion, three hundred thirty-four million, thirty-one thousand, two hundred twenty-seven".
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