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14308331 is a prime number
BaseRepresentation
bin110110100101…
…001111101011
3222220221100012
4312211033223
512130331311
61230402135
7232422152
oct66451753
928827305
1014308331
118093074
12496034b
132c6c88b
141c86599
1513c978b
hexda53eb

14308331 has 2 divisors, whose sum is σ = 14308332. Its totient is φ = 14308330.

The previous prime is 14308291. The next prime is 14308403. The reversal of 14308331 is 13380341.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14308331 is a prime.

It is a super-2 number, since 2×143083312 = 409456672011122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 14308297 and 14308306.

It is not a weakly prime, because it can be changed into another prime (14308531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7154165 + 7154166.

It is an arithmetic number, because the mean of its divisors is an integer number (7154166).

Almost surely, 214308331 is an apocalyptic number.

14308331 is a deficient number, since it is larger than the sum of its proper divisors (1).

14308331 is an equidigital number, since it uses as much as digits as its factorization.

14308331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 14308331 is about 3782.6354569268. The cubic root of 14308331 is about 242.7707310466.

Adding to 14308331 its reverse (13380341), we get a palindrome (27688672).

The spelling of 14308331 in words is "fourteen million, three hundred eight thousand, three hundred thirty-one".