30223313 has 2 divisors, whose sum is σ = 30223314. Its totient is φ = 30223312.

The previous prime is 30223289. The next prime is 30223321. The reversal of 30223313 is 31332203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21743569 + 8479744 = 4663^2 + 2912^2 .

It is a cyclic number.

It is not a de Polignac number, because 30223313 - 2⁸ = 30223057 is a prime.

It is a super-3 number, since 3×30223313³ (a number of 23 digits) contains 333 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 30223291 and 30223300.

It is not a weakly prime, because it can be changed into another prime (30223363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15111656 + 15111657.

It is an arithmetic number, because the mean of its divisors is an integer number (15111657).

Almost surely, 2^30223313 is an apocalyptic number.

It is an amenable number.

30223313 is a deficient number, since it is larger than the sum of its proper divisors (1).

30223313 is an equidigital number, since it uses as much as digits as its factorization.

30223313 is an evil number, because the sum of its binary digits is even.

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

The square root of 30223313 is about 5497.5733737714. The cubic root of 30223313 is about 311.4923292514.

Adding to 30223313 its reverse (31332203), we get a palindrome (61555516).

The spelling of 30223313 in words is "thirty million, two hundred twenty-three thousand, three hundred thirteen".