30213193 has 2 divisors, whose sum is σ = 30213194. Its totient is φ = 30213192.

The previous prime is 30213163. The next prime is 30213203. The reversal of 30213193 is 39131203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26245129 + 3968064 = 5123^2 + 1992^2 .

It is a cyclic number.

It is not a de Polignac number, because 30213193 - 2¹³ = 30205001 is a prime.

It is not a weakly prime, because it can be changed into another prime (30213143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15106596 + 15106597.

It is an arithmetic number, because the mean of its divisors is an integer number (15106597).

Almost surely, 2^30213193 is an apocalyptic number.

It is an amenable number.

30213193 is a deficient number, since it is larger than the sum of its proper divisors (1).

30213193 is an equidigital number, since it uses as much as digits as its factorization.

30213193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 30213193 is about 5496.6528906235. The cubic root of 30213193 is about 311.4575585842.

Adding to 30213193 its reverse (39131203), we get a palindrome (69344396).

The spelling of 30213193 in words is "thirty million, two hundred thirteen thousand, one hundred ninety-three".