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201306313 = 1329533969
BaseRepresentation
bin10111111111110…
…11000011001001
3112000210102100101
423333323003021
5403013300223
631550405401
74663034605
oct1377730311
9460712311
10201306313
11a36a545a
1257500861
1332923a80
141ca42505
1512a164ad
hexbffb0c9

201306313 has 8 divisors (see below), whose sum is σ = 224267400. Its totient is φ = 179413248.

The previous prime is 201306277. The next prime is 201306317. The reversal of 201306313 is 313603102.

It can be written as a sum of positive squares in 4 ways, for example, as 27910089 + 173396224 = 5283^2 + 13168^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201306313 - 217 = 201175241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201306317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266608 + ... + 267361.

It is an arithmetic number, because the mean of its divisors is an integer number (28033425).

Almost surely, 2201306313 is an apocalyptic number.

It is an amenable number.

201306313 is a deficient number, since it is larger than the sum of its proper divisors (22961087).

201306313 is a wasteful number, since it uses less digits than its factorization.

201306313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534011.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 201306313 is about 14188.2455927433. The cubic root of 201306313 is about 586.0740130630.

Adding to 201306313 its reverse (313603102), we get a palindrome (514909415).

The spelling of 201306313 in words is "two hundred one million, three hundred six thousand, three hundred thirteen".

Divisors: 1 13 29 377 533969 6941597 15485101 201306313