30211201 has 4 divisors (see below), whose sum is σ = 30222292. Its totient is φ = 30200112.

The previous prime is 30211189. The next prime is 30211217. The reversal of 30211201 is 10211203.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10211203 = 17 ⋅600659.

It can be written as a sum of positive squares in 2 ways, for example, as 26884225 + 3326976 = 5185^2 + 1824^2 .

It is a cyclic number.

It is not a de Polignac number, because 30211201 - 2¹³ = 30203009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30211231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675 + ... + 7951.

It is an arithmetic number, because the mean of its divisors is an integer number (7555573).

Almost surely, 2^30211201 is an apocalyptic number.

It is an amenable number.

30211201 is a deficient number, since it is larger than the sum of its proper divisors (11091).

30211201 is an equidigital number, since it uses as much as digits as its factorization.

30211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11090.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 30211201 is about 5496.4716864549. The cubic root of 30211201 is about 311.4507134830.

Adding to 30211201 its reverse (10211203), we get a palindrome (40422404).

The spelling of 30211201 in words is "thirty million, two hundred eleven thousand, two hundred one".