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313201313 is a prime number
BaseRepresentation
bin10010101010110…
…001001010100001
3210211100021102122
4102222301022201
51120134420223
651024554025
710522111235
oct2252611241
9724307378
10313201313
11150880867
1288a82915
134cb70829
142d84c5c5
151c76a5c8
hex12ab12a1

313201313 has 2 divisors, whose sum is σ = 313201314. Its totient is φ = 313201312.

The previous prime is 313201307. The next prime is 313201351. The reversal of 313201313 is 313102313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206554384 + 106646929 = 14372^2 + 10327^2 .

It is a cyclic number.

It is not a de Polignac number, because 313201313 - 26 = 313201249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 313201291 and 313201300.

It is not a weakly prime, because it can be changed into another prime (313201393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156600656 + 156600657.

It is an arithmetic number, because the mean of its divisors is an integer number (156600657).

Almost surely, 2313201313 is an apocalyptic number.

It is an amenable number.

313201313 is a deficient number, since it is larger than the sum of its proper divisors (1).

313201313 is an equidigital number, since it uses as much as digits as its factorization.

313201313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 313201313 is about 17697.4945401885. The cubic root of 313201313 is about 679.1116665679. Note that the first 3 decimals are identical.

Adding to 313201313 its reverse (313102313), we get a palindrome (626303626).

The spelling of 313201313 in words is "three hundred thirteen million, two hundred one thousand, three hundred thirteen".