Base | Representation |
---|---|
bin | 1001000011010101101… |
… | …10001000110100010101 |
3 | 1002201211020020100220121 |
4 | 10201222312020310111 |
5 | 20043442214101401 |
6 | 354515121031541 |
7 | 31320422160304 |
oct | 4415266106425 |
9 | 1081736210817 |
10 | 311030222101 |
11 | 10a9a84a7435 |
12 | 503434855b1 |
13 | 2343a0a8351 |
14 | 110a803c43b |
15 | 8155c1cca1 |
hex | 486ad88d15 |
311030222101 has 16 divisors (see below), whose sum is σ = 325197987840. Its totient is φ = 297122520240.
The previous prime is 311030222093. The next prime is 311030222137. The reversal of 311030222101 is 101222030113.
It is not a de Polignac number, because 311030222101 - 23 = 311030222093 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 (311030222141) 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 15 ways as a sum of consecutive naturals, for example, 14357460 + ... + 14379106.
It is an arithmetic number, because the mean of its divisors is an integer number (20324874240).
Almost surely, 2311030222101 is an apocalyptic number.
311030222101 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
It is an amenable number.
311030222101 is a deficient number, since it is larger than the sum of its proper divisors (14167765739).
311030222101 is a wasteful number, since it uses less digits than its factorization.
311030222101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27624.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 311030222101 its reverse (101222030113), we get a palindrome (412252252214).
The spelling of 311030222101 in words is "three hundred eleven billion, thirty million, two hundred twenty-two thousand, one hundred one".
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