Base | Representation |
---|---|
bin | 10010100011010… |
… | …000111000110111 |
3 | 210200122022221000 |
4 | 102203100320313 |
5 | 1114133442403 |
6 | 50514454343 |
7 | 10466306025 |
oct | 2243207067 |
9 | 720568830 |
10 | 311234103 |
11 | 14a757874 |
12 | 882943b3 |
13 | 4c6322bb |
14 | 2d499715 |
15 | 1c4cc7a3 |
hex | 128d0e37 |
311234103 has 32 divisors (see below), whose sum is σ = 469521920. Its totient is φ = 203731200.
The previous prime is 311234101. The next prime is 311234159. The reversal of 311234103 is 301432113.
It is not a de Polignac number, because 311234103 - 21 = 311234101 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 (311234101) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 395076 + ... + 395862.
It is an arithmetic number, because the mean of its divisors is an integer number (14672560).
Almost surely, 2311234103 is an apocalyptic number.
311234103 is a deficient number, since it is larger than the sum of its proper divisors (158287817).
311234103 is a wasteful number, since it uses less digits than its factorization.
311234103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1044 (or 1038 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 311234103 is about 17641.8282215875. The cubic root of 311234103 is about 677.6868512372.
Adding to 311234103 its reverse (301432113), we get a palindrome (612666216).
The spelling of 311234103 in words is "three hundred eleven million, two hundred thirty-four thousand, one hundred three".
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