Base | Representation |
---|---|
bin | 10010100110100… |
… | …100100011111001 |
3 | 210202021101020111 |
4 | 102212210203321 |
5 | 1114344213423 |
6 | 50545224321 |
7 | 10506546532 |
oct | 2246444371 |
9 | 722241214 |
10 | 312101113 |
11 | 15019a205 |
12 | 886320a1 |
13 | 4c876b1c |
14 | 2d643689 |
15 | 1c5ee60d |
hex | 129a48f9 |
312101113 has 8 divisors (see below), whose sum is σ = 334644480. Its totient is φ = 290022720.
The previous prime is 312101093. The next prime is 312101159. The reversal of 312101113 is 311101213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 312101113 - 29 = 312100601 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 312101093 and 312101102.
It is not an unprimeable number, because it can be changed into a prime (312101183) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114853 + ... + 117538.
It is an arithmetic number, because the mean of its divisors is an integer number (41830560).
Almost surely, 2312101113 is an apocalyptic number.
It is an amenable number.
312101113 is a deficient number, since it is larger than the sum of its proper divisors (22543367).
312101113 is a wasteful number, since it uses less digits than its factorization.
312101113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 232487.
The product of its (nonzero) digits is 18, while the sum is 13.
The square root of 312101113 is about 17666.3836989917. The cubic root of 312101113 is about 678.3155489719.
Adding to 312101113 its reverse (311101213), we get a palindrome (623202326).
It can be divided in two parts, 31210 and 1113, that added together give a palindrome (32323).
The spelling of 312101113 in words is "three hundred twelve million, one hundred one thousand, one hundred thirteen".
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