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313201323 = 345965537
BaseRepresentation
bin10010101010110…
…001001010101011
3210211100021110000
4102222301022223
51120134420243
651024554043
710522111251
oct2252611253
9724307400
10313201323
11150880876
1288a82923
134cb70836
142d84c5d1
151c76a5d3
hex12ab12ab

313201323 has 20 divisors (see below), whose sum is σ = 475805880. Its totient is φ = 205258752.

The previous prime is 313201313. The next prime is 313201351. The reversal of 313201323 is 323102313.

It is not a de Polignac number, because 313201323 - 24 = 313201307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313201296 and 313201305.

It is not an unprimeable number, because it can be changed into a prime (313201313) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27990 + ... + 37547.

It is an arithmetic number, because the mean of its divisors is an integer number (23790294).

Almost surely, 2313201323 is an apocalyptic number.

313201323 is a deficient number, since it is larger than the sum of its proper divisors (162604557).

313201323 is an equidigital number, since it uses as much as digits as its factorization.

313201323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65608 (or 65599 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 313201323 is about 17697.4948227143. The cubic root of 313201323 is about 679.1116737955. Note that the first 3 decimals are identical.

Adding to 313201323 its reverse (323102313), we get a palindrome (636303636).

The spelling of 313201323 in words is "three hundred thirteen million, two hundred one thousand, three hundred twenty-three".

Divisors: 1 3 9 27 59 81 177 531 1593 4779 65537 196611 589833 1769499 3866683 5308497 11600049 34800147 104400441 313201323