Base | Representation |
---|---|
bin | 10010101010111… |
… | …100001000010111 |
3 | 210211102120001021 |
4 | 102222330020113 |
5 | 1120142334411 |
6 | 51025542011 |
7 | 10522356214 |
oct | 2252741027 |
9 | 724376037 |
10 | 313246231 |
11 | 150901591 |
12 | 88aa4907 |
13 | 4cb880cc |
14 | 2d860b0b |
15 | 1c778a71 |
hex | 12abc217 |
313246231 has 4 divisors (see below), whose sum is σ = 313285752. Its totient is φ = 313206712.
The previous prime is 313246229. The next prime is 313246237. The reversal of 313246231 is 132642313.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 313246231 - 21 = 313246229 is a prime.
It is a super-2 number, since 2×3132462312 = 196246402471410722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 313246196 and 313246205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (313246237) 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, 3301 + ... + 25246.
It is an arithmetic number, because the mean of its divisors is an integer number (78321438).
Almost surely, 2313246231 is an apocalyptic number.
313246231 is a deficient number, since it is larger than the sum of its proper divisors (39521).
313246231 is a wasteful number, since it uses less digits than its factorization.
313246231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39520.
The product of its digits is 2592, while the sum is 25.
The square root of 313246231 is about 17698.7635443835. The cubic root of 313246231 is about 679.1441301181.
Adding to 313246231 its reverse (132642313), we get a palindrome (445888544).
The spelling of 313246231 in words is "three hundred thirteen million, two hundred forty-six thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •