30934193 has 4 divisors (see below), whose sum is σ = 31049460. Its totient is φ = 30818928.

The previous prime is 30934177. The next prime is 30934199. The reversal of 30934193 is 39143903.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4545424 + 26388769 = 2132^2 + 5137^2 .

It is a cyclic number.

It is not a de Polignac number, because 30934193 - 2⁴ = 30934177 is a prime.

It is a super-2 number, since 2×30934193² = 1913848593122498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30934199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57230 + ... + 57767.

It is an arithmetic number, because the mean of its divisors is an integer number (7762365).

Almost surely, 2^30934193 is an apocalyptic number.

It is an amenable number.

30934193 is a deficient number, since it is larger than the sum of its proper divisors (115267).

30934193 is a wasteful number, since it uses less digits than its factorization.

30934193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115266.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 30934193 is about 5561.8515801844. The cubic root of 30934193 is about 313.9156229937.

The spelling of 30934193 in words is "thirty million, nine hundred thirty-four thousand, one hundred ninety-three".