30666313 has 2 divisors, whose sum is σ = 30666314. Its totient is φ = 30666312.

The previous prime is 30666257. The next prime is 30666367. The reversal of 30666313 is 31366603.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21827584 + 8838729 = 4672^2 + 2973^2 .

It is a cyclic number.

It is not a de Polignac number, because 30666313 - 2²¹ = 28569161 is a prime.

It is not a weakly prime, because it can be changed into another prime (30660313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15333156 + 15333157.

It is an arithmetic number, because the mean of its divisors is an integer number (15333157).

Almost surely, 2^30666313 is an apocalyptic number.

It is an amenable number.

30666313 is a deficient number, since it is larger than the sum of its proper divisors (1).

30666313 is an equidigital number, since it uses as much as digits as its factorization.

30666313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 30666313 is about 5537.7173095058. The cubic root of 30666313 is about 313.0068591623.

The spelling of 30666313 in words is "thirty million, six hundred sixty-six thousand, three hundred thirteen".