Base | Representation |
---|---|
bin | 11101001011101011… |
… | …000010001010110001 |
3 | 2222212202002120100000 |
4 | 131023223002022301 |
5 | 1003133042441340 |
6 | 22221135420213 |
7 | 2156331344454 |
oct | 351353021261 |
9 | 88782076300 |
10 | 31334343345 |
11 | 1231a468a28 |
12 | 60a5984669 |
13 | 2c54965c86 |
14 | 173374949b |
15 | c35d4ed30 |
hex | 74bac22b1 |
31334343345 has 48 divisors (see below), whose sum is σ = 56371154112. Its totient is φ = 16697793600.
The previous prime is 31334343331. The next prime is 31334343361. The reversal of 31334343345 is 54334343313.
31334343345 is a `hidden beast` number, since 313 + 3 + 4 + 3 + 4 + 334 + 5 = 666.
It is not a de Polignac number, because 31334343345 - 26 = 31334343281 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1548795 + ... + 1568895.
It is an arithmetic number, because the mean of its divisors is an integer number (1174399044).
Almost surely, 231334343345 is an apocalyptic number.
It is an amenable number.
31334343345 is a deficient number, since it is larger than the sum of its proper divisors (25036810767).
31334343345 is a wasteful number, since it uses less digits than its factorization.
31334343345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21404 (or 21392 counting only the distinct ones).
The product of its digits is 233280, while the sum is 36.
Adding to 31334343345 its reverse (54334343313), we get a palindrome (85668686658).
The spelling of 31334343345 in words is "thirty-one billion, three hundred thirty-four million, three hundred forty-three thousand, three hundred forty-five".
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