30301231211 has 4 divisors (see below), whose sum is σ = 30301659432. Its totient is φ = 30300802992.

The previous prime is 30301231199. The next prime is 30301231243. The reversal of 30301231211 is 11213210303.

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

It is a cyclic number.

It is not a de Polignac number, because 30301231211 - 2²² = 30297036907 is a prime.

It is a super-2 number, since 2×30301231211² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30301231211.

It is not an unprimeable number, because it can be changed into a prime (30301239211) 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, 79946 + ... + 258831.

It is an arithmetic number, because the mean of its divisors is an integer number (7575414858).

Almost surely, 2^30301231211 is an apocalyptic number.

30301231211 is a deficient number, since it is larger than the sum of its proper divisors (428221).

30301231211 is an equidigital number, since it uses as much as digits as its factorization.

30301231211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428220.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30301231211 its reverse (11213210303), we get a palindrome (41514441514).

The spelling of 30301231211 in words is "thirty billion, three hundred one million, two hundred thirty-one thousand, two hundred eleven".