Base | Representation |
---|---|
bin | 10010101010110… |
… | …100000001011111 |
3 | 210211100212111100 |
4 | 102222310001133 |
5 | 1120140304043 |
6 | 51025124143 |
7 | 10522160334 |
oct | 2252640137 |
9 | 724325440 |
10 | 313213023 |
11 | 150889642 |
12 | 88a89653 |
13 | 4cb75c66 |
14 | 2d85298b |
15 | 1c76dcd3 |
hex | 12ab405f |
313213023 has 6 divisors (see below), whose sum is σ = 452418824. Its totient is φ = 208808676.
The previous prime is 313213013. The next prime is 313213027. The reversal of 313213023 is 320312313.
It is not a de Polignac number, because 313213023 - 218 = 312950879 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 313212987 and 313213005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (313213027) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17400715 + ... + 17400732.
Almost surely, 2313213023 is an apocalyptic number.
313213023 is a deficient number, since it is larger than the sum of its proper divisors (139205801).
313213023 is a wasteful number, since it uses less digits than its factorization.
313213023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34801453 (or 34801450 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
The square root of 313213023 is about 17697.8253748872. The cubic root of 313213023 is about 679.1201300259.
Adding to 313213023 its reverse (320312313), we get a palindrome (633525336).
The spelling of 313213023 in words is "three hundred thirteen million, two hundred thirteen thousand, twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.103 sec. • engine limits •