Base | Representation |
---|---|
bin | 10010100010110… |
… | …111111111000101 |
3 | 210200110011000011 |
4 | 102202313333011 |
5 | 1114122211401 |
6 | 50512350221 |
7 | 10465402450 |
oct | 2242677705 |
9 | 720404004 |
10 | 311132101 |
11 | 14a698175 |
12 | 88245371 |
13 | 4c5c7a47 |
14 | 2d470497 |
15 | 1c4ac451 |
hex | 128b7fc5 |
311132101 has 8 divisors (see below), whose sum is σ = 362289024. Its totient is φ = 261652560.
The previous prime is 311132083. The next prime is 311132117. The reversal of 311132101 is 101231113.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 311132101 - 29 = 311131589 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (311132131) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 418945 + ... + 419686.
It is an arithmetic number, because the mean of its divisors is an integer number (45286128).
Almost surely, 2311132101 is an apocalyptic number.
It is an amenable number.
311132101 is a deficient number, since it is larger than the sum of its proper divisors (51156923).
311132101 is an equidigital number, since it uses as much as digits as its factorization.
311132101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 838691.
The product of its (nonzero) digits is 18, while the sum is 13.
The square root of 311132101 is about 17638.9370711503. The cubic root of 311132101 is about 677.6128094719.
Adding to 311132101 its reverse (101231113), we get a palindrome (412363214).
The spelling of 311132101 in words is "three hundred eleven million, one hundred thirty-two thousand, one hundred one".
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