Base | Representation |
---|---|
bin | 1011111011001011… |
… | …1101110010010001 |
3 | 22021002022020110022 |
4 | 2332302331302101 |
5 | 23023431000223 |
6 | 1245345113225 |
7 | 142216213544 |
oct | 27662756221 |
9 | 8232266408 |
10 | 3201031313 |
11 | 13a2998227 |
12 | 754028815 |
13 | 3c024008c |
14 | 2251b685b |
15 | 13b053ac8 |
hex | becbdc91 |
3201031313 has 4 divisors (see below), whose sum is σ = 3202224420. Its totient is φ = 3199838208.
The previous prime is 3201031307. The next prime is 3201031321. The reversal of 3201031313 is 3131301023.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3131301023 = 19 ⋅164805317.
It can be written as a sum of positive squares in 2 ways, for example, as 470759809 + 2730271504 = 21697^2 + 52252^2 .
It is a cyclic number.
It is not a de Polignac number, because 3201031313 - 212 = 3201027217 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3201031291 and 3201031300.
It is not an unprimeable number, because it can be changed into a prime (3201033313) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592520 + ... + 597897.
It is an arithmetic number, because the mean of its divisors is an integer number (800556105).
Almost surely, 23201031313 is an apocalyptic number.
It is an amenable number.
3201031313 is a deficient number, since it is larger than the sum of its proper divisors (1193107).
3201031313 is a wasteful number, since it uses less digits than its factorization.
3201031313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1193106.
The product of its (nonzero) digits is 162, while the sum is 17.
The square root of 3201031313 is about 56577.6573657835. The cubic root of 3201031313 is about 1473.7708903515.
Adding to 3201031313 its reverse (3131301023), we get a palindrome (6332332336).
The spelling of 3201031313 in words is "three billion, two hundred one million, thirty-one thousand, three hundred thirteen".
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