Base | Representation |
---|---|
bin | 11101001010111101… |
… | …111111000110100111 |
3 | 2222211220212121101101 |
4 | 131022331333012213 |
5 | 1003122032044221 |
6 | 22220034340531 |
7 | 2156126102005 |
oct | 351275770647 |
9 | 88756777341 |
10 | 31322534311 |
11 | 123138326a2 |
12 | 60a1a2a747 |
13 | 2c5238cb93 |
14 | 1731d53a75 |
15 | c34cbad91 |
hex | 74af7f1a7 |
31322534311 has 2 divisors, whose sum is σ = 31322534312. Its totient is φ = 31322534310.
The previous prime is 31322534279. The next prime is 31322534351. The reversal of 31322534311 is 11343522313.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 31322534311 - 25 = 31322534279 is a prime.
It is a super-3 number, since 3×313225343113 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a self number, because there is not a number n which added to its sum of digits gives 31322534311.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31322534351) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15661267155 + 15661267156.
It is an arithmetic number, because the mean of its divisors is an integer number (15661267156).
Almost surely, 231322534311 is an apocalyptic number.
31322534311 is a deficient number, since it is larger than the sum of its proper divisors (1).
31322534311 is an equidigital number, since it uses as much as digits as its factorization.
31322534311 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 6480, while the sum is 28.
The spelling of 31322534311 in words is "thirty-one billion, three hundred twenty-two million, five hundred thirty-four thousand, three hundred eleven".
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