Base | Representation |
---|---|
bin | 10010101010011… |
… | …101101000010101 |
3 | 210211012012200020 |
4 | 102222131220111 |
5 | 1120124340201 |
6 | 51023135353 |
7 | 10521326043 |
oct | 2252355025 |
9 | 724165606 |
10 | 313121301 |
11 | 150826739 |
12 | 88a44559 |
13 | 4cb4329c |
14 | 2d82b393 |
15 | 1c751a36 |
hex | 12a9da15 |
313121301 has 16 divisors (see below), whose sum is σ = 421292928. Its totient is φ = 206856000.
The previous prime is 313121293. The next prime is 313121321. The reversal of 313121301 is 103121313.
It is not a de Polignac number, because 313121301 - 23 = 313121293 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (313121321) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306171 + ... + 307191.
It is an arithmetic number, because the mean of its divisors is an integer number (26330808).
Almost surely, 2313121301 is an apocalyptic number.
It is an amenable number.
313121301 is a deficient number, since it is larger than the sum of its proper divisors (108171627).
313121301 is a wasteful number, since it uses less digits than its factorization.
313121301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1852.
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 313121301 is about 17695.2338498252. The cubic root of 313121301 is about 679.0538318695.
Adding to 313121301 its reverse (103121313), we get a palindrome (416242614).
The spelling of 313121301 in words is "three hundred thirteen million, one hundred twenty-one thousand, three hundred one".
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