Base | Representation |
---|---|
bin | 10010101011010… |
… | …100000000011111 |
3 | 210211121112012111 |
4 | 102223110000133 |
5 | 1120204002111 |
6 | 51032014451 |
7 | 10523244310 |
oct | 2253240037 |
9 | 724545174 |
10 | 313344031 |
11 | 150969010 |
12 | 88b31427 |
13 | 4cbc0790 |
14 | 2d888607 |
15 | 1c797a21 |
hex | 12ad401f |
313344031 has 16 divisors (see below), whose sum is σ = 420715008. Its totient is φ = 225381600.
The previous prime is 313344013. The next prime is 313344049. The reversal of 313344031 is 130443313.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (313344013) and next prime (313344049).
It is a cyclic number.
It is not a de Polignac number, because 313344031 - 25 = 313343999 is a prime.
It is a super-2 number, since 2×3133440312 = 196368963526657922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 313343993 and 313344011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (313344331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155515 + ... + 157516.
It is an arithmetic number, because the mean of its divisors is an integer number (26294688).
Almost surely, 2313344031 is an apocalyptic number.
313344031 is a deficient number, since it is larger than the sum of its proper divisors (107370977).
313344031 is a wasteful number, since it uses less digits than its factorization.
313344031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 313062.
The product of its (nonzero) digits is 1296, while the sum is 22.
The square root of 313344031 is about 17701.5262336331. The cubic root of 313344031 is about 679.2148023009.
Adding to 313344031 its reverse (130443313), we get a palindrome (443787344).
The spelling of 313344031 in words is "three hundred thirteen million, three hundred forty-four thousand, thirty-one".
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