Base | Representation |
---|---|
bin | 11101001100011100… |
… | …110010011111100001 |
3 | 2222220122122012221210 |
4 | 131030130302133201 |
5 | 1003144412330322 |
6 | 22222323140333 |
7 | 2156550246621 |
oct | 351434623741 |
9 | 88818565853 |
10 | 31347386337 |
11 | 12326867363 |
12 | 60aa2146a9 |
13 | 2c57581917 |
14 | 1735382881 |
15 | c3707970c |
hex | 74c7327e1 |
31347386337 has 8 divisors (see below), whose sum is σ = 41799263680. Its totient is φ = 20896883280.
The previous prime is 31347386327. The next prime is 31347386393. The reversal of 31347386337 is 73368374313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31347386337 - 214 = 31347369953 is a prime.
It is a super-2 number, since 2×313473863372 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31347386327) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289114 + ... + 382467.
It is an arithmetic number, because the mean of its divisors is an integer number (5224907960).
Almost surely, 231347386337 is an apocalyptic number.
It is an amenable number.
31347386337 is a deficient number, since it is larger than the sum of its proper divisors (10451877343).
31347386337 is a wasteful number, since it uses less digits than its factorization.
31347386337 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 687143.
The product of its digits is 2286144, while the sum is 48.
The spelling of 31347386337 in words is "thirty-one billion, three hundred forty-seven million, three hundred eighty-six thousand, three hundred thirty-seven".
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