211030193 has 8 divisors (see below), whose sum is σ = 232589280. Its totient is φ = 189866880.

The previous prime is 211030189. The next prime is 211030219. The reversal of 211030193 is 391030112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211030193 - 2² = 211030189 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211030103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97823 + ... + 99956.

It is an arithmetic number, because the mean of its divisors is an integer number (29073660).

Almost surely, 2^211030193 is an apocalyptic number.

It is an amenable number.

211030193 is a deficient number, since it is larger than the sum of its proper divisors (21559087).

211030193 is a wasteful number, since it uses less digits than its factorization.

211030193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197887.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 211030193 is about 14526.8782950777. The cubic root of 211030193 is about 595.3625763655.

The spelling of 211030193 in words is "two hundred eleven million, thirty thousand, one hundred ninety-three".