30936193 has 2 divisors, whose sum is σ = 30936194. Its totient is φ = 30936192.

The previous prime is 30936179. The next prime is 30936197. The reversal of 30936193 is 39163903.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15936064 + 15000129 = 3992^2 + 3873^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30936193 is a prime.

It is not a weakly prime, because it can be changed into another prime (30936197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15468096 + 15468097.

It is an arithmetic number, because the mean of its divisors is an integer number (15468097).

Almost surely, 2^30936193 is an apocalyptic number.

It is an amenable number.

30936193 is a deficient number, since it is larger than the sum of its proper divisors (1).

30936193 is an equidigital number, since it uses as much as digits as its factorization.

30936193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13122, while the sum is 34.

The square root of 30936193 is about 5562.0313735181. The cubic root of 30936193 is about 313.9223880828.

The spelling of 30936193 in words is "thirty million, nine hundred thirty-six thousand, one hundred ninety-three".