Base | Representation |
---|---|
bin | 10010101010100… |
… | …101011001101011 |
3 | 210211020211100010 |
4 | 102222211121223 |
5 | 1120131400011 |
6 | 51023543003 |
7 | 10521520614 |
oct | 2252453153 |
9 | 724224303 |
10 | 313153131 |
11 | 150848645 |
12 | 88a5aa63 |
13 | 4cb54915 |
14 | 2d838c0b |
15 | 1c75b1a6 |
hex | 12aa566b |
313153131 has 4 divisors (see below), whose sum is σ = 417537512. Its totient is φ = 208768752.
The previous prime is 313153129. The next prime is 313153147. The reversal of 313153131 is 131351313.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 313153131 - 21 = 313153129 is a prime.
It is a super-2 number, since 2×3131531312 = 196129766910206322, 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 = 313153098 and 313153107.
It is not an unprimeable number, because it can be changed into a prime (313153031) 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, 52192186 + ... + 52192191.
It is an arithmetic number, because the mean of its divisors is an integer number (104384378).
Almost surely, 2313153131 is an apocalyptic number.
313153131 is a deficient number, since it is larger than the sum of its proper divisors (104384381).
313153131 is a wasteful number, since it uses less digits than its factorization.
313153131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104384380.
The product of its digits is 405, while the sum is 21.
The square root of 313153131 is about 17696.1332216956. The cubic root of 313153131 is about 679.0768405790.
The spelling of 313153131 in words is "three hundred thirteen million, one hundred fifty-three thousand, one hundred thirty-one".
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