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230320313 = 7913212207
BaseRepresentation
bin11011011101001…
…10100010111001
3121001101111001222
431232212202321
5432430222223
634504321425
75464455536
oct1556464271
9531344058
10230320313
11109012073
1265173275
1338942012
1422835d8d
15153480c8
hexdba68b9

230320313 has 8 divisors (see below), whose sum is σ = 233518080. Its totient is φ = 227129760.

The previous prime is 230320271. The next prime is 230320333. The reversal of 230320313 is 313023032.

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 230320313 - 220 = 229271737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230320291 and 230320300.

It is not an unprimeable number, because it can be changed into a prime (230320333) 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, 103256 + ... + 105462.

It is an arithmetic number, because the mean of its divisors is an integer number (29189760).

Almost surely, 2230320313 is an apocalyptic number.

It is an amenable number.

230320313 is a deficient number, since it is larger than the sum of its proper divisors (3197767).

230320313 is a wasteful number, since it uses less digits than its factorization.

230320313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 230320313 is about 15176.3076207620. The cubic root of 230320313 is about 612.9768607978.

Adding to 230320313 its reverse (313023032), we get a palindrome (543343345).

The spelling of 230320313 in words is "two hundred thirty million, three hundred twenty thousand, three hundred thirteen".

Divisors: 1 79 1321 2207 104359 174353 2915447 230320313