Base | Representation |
---|---|
bin | 111011010110… |
… | …0001101110111 |
3 | 2011112202112012 |
4 | 1312230031313 |
5 | 30431122403 |
6 | 3030514435 |
7 | 525315446 |
oct | 166541567 |
9 | 64482465 |
10 | 31114103 |
11 | 16621539 |
12 | a505a1b |
13 | 65a5117 |
14 | 41bcd5d |
15 | 2ae8ed8 |
hex | 1dac377 |
31114103 has 4 divisors (see below), whose sum is σ = 31312440. Its totient is φ = 30915768.
The previous prime is 31114099. The next prime is 31114157. The reversal of 31114103 is 30141113.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30141113 = 233 ⋅129361.
It is a cyclic number.
It is not a de Polignac number, because 31114103 - 22 = 31114099 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 (31114163) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98933 + ... + 99246.
It is an arithmetic number, because the mean of its divisors is an integer number (7828110).
Almost surely, 231114103 is an apocalyptic number.
31114103 is a deficient number, since it is larger than the sum of its proper divisors (198337).
31114103 is a wasteful number, since it uses less digits than its factorization.
31114103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 198336.
The product of its (nonzero) digits is 36, while the sum is 14.
The square root of 31114103 is about 5578.0017031191. The cubic root of 31114103 is about 314.5230137095.
Adding to 31114103 its reverse (30141113), we get a palindrome (61255216).
The spelling of 31114103 in words is "thirty-one million, one hundred fourteen thousand, one hundred three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •