Base | Representation |
---|---|
bin | 10010101010110… |
… | …011100010000101 |
3 | 210211100202201220 |
4 | 102222303202011 |
5 | 1120140223023 |
6 | 51025110553 |
7 | 10522151433 |
oct | 2252634205 |
9 | 724322656 |
10 | 313211013 |
11 | 150888085 |
12 | 88a88459 |
13 | 4cb7507b |
14 | 2d851d53 |
15 | 1c76d3e3 |
hex | 12ab3885 |
313211013 has 16 divisors (see below), whose sum is σ = 428343552. Its totient is φ = 203456000.
The previous prime is 313210981. The next prime is 313211053. The reversal of 313211013 is 310112313.
It is a cyclic number.
It is not a de Polignac number, because 313211013 - 25 = 313210981 is a prime.
It is a super-2 number, since 2×3132110132 = 196202277328972338, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 313210983 and 313211001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (313211053) 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, 166468 + ... + 168338.
It is an arithmetic number, because the mean of its divisors is an integer number (26771472).
Almost surely, 2313211013 is an apocalyptic number.
It is an amenable number.
313211013 is a deficient number, since it is larger than the sum of its proper divisors (115132539).
313211013 is a wasteful number, since it uses less digits than its factorization.
313211013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3276.
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 313211013 is about 17697.7685881582. The cubic root of 313211013 is about 679.1186773039.
Adding to 313211013 its reverse (310112313), we get a palindrome (623323326).
The spelling of 313211013 in words is "three hundred thirteen million, two hundred eleven thousand, thirteen".
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