Base | Representation |
---|---|
bin | 10010100010100… |
… | …100010001001101 |
3 | 210200022001020001 |
4 | 102202210101031 |
5 | 1114112120331 |
6 | 50510524301 |
7 | 10464615136 |
oct | 2242442115 |
9 | 720261201 |
10 | 311051341 |
11 | 14a642527 |
12 | 88206691 |
13 | 4c59a063 |
14 | 2d44cc8d |
15 | 1c493561 |
hex | 128a444d |
311051341 has 4 divisors (see below), whose sum is σ = 319458172. Its totient is φ = 302644512.
The previous prime is 311051317. The next prime is 311051353. The reversal of 311051341 is 143150113.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 143150113 = 2221 ⋅64453.
It can be written as a sum of positive squares in 2 ways, for example, as 227255625 + 83795716 = 15075^2 + 9154^2 .
It is a cyclic number.
It is not a de Polignac number, because 311051341 - 25 = 311051309 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (311051141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4203360 + ... + 4203433.
It is an arithmetic number, because the mean of its divisors is an integer number (79864543).
Almost surely, 2311051341 is an apocalyptic number.
It is an amenable number.
311051341 is a deficient number, since it is larger than the sum of its proper divisors (8406831).
311051341 is an equidigital number, since it uses as much as digits as its factorization.
311051341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8406830.
The product of its (nonzero) digits is 180, while the sum is 19.
The square root of 311051341 is about 17636.6476689874. The cubic root of 311051341 is about 677.5541754856.
The spelling of 311051341 in words is "three hundred eleven million, fifty-one thousand, three hundred forty-one".
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