30211197 has 8 divisors (see below), whose sum is σ = 42401760. Its totient is φ = 19080720.

The previous prime is 30211189. The next prime is 30211217. The reversal of 30211197 is 79111203.

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

It is not a de Polignac number, because 30211197 - 2³ = 30211189 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30211117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264954 + ... + 265067.

It is an arithmetic number, because the mean of its divisors is an integer number (5300220).

Almost surely, 2^30211197 is an apocalyptic number.

It is an amenable number.

30211197 is a deficient number, since it is larger than the sum of its proper divisors (12190563).

30211197 is a wasteful number, since it uses less digits than its factorization.

30211197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530043.

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 30211197 is about 5496.4713225851. The cubic root of 30211197 is about 311.4506997375.

The spelling of 30211197 in words is "thirty million, two hundred eleven thousand, one hundred ninety-seven".