30020211210331 has 4 divisors (see below), whose sum is σ = 30026741606752. Its totient is φ = 30013680813912.

The previous prime is 30020211210323. The next prime is 30020211210337. The reversal of 30020211210331 is 13301211202003.

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 30020211210331 - 2³ = 30020211210323 is a prime.

It is a super-2 number, since 2×30020211210331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30020211210299 and 30020211210308.

It is not an unprimeable number, because it can be changed into a prime (30020211210337) 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, 3265191315 + ... + 3265200508.

It is an arithmetic number, because the mean of its divisors is an integer number (7506685401688).

Almost surely, 2^{30020211210331} is an apocalyptic number.

30020211210331 is a deficient number, since it is larger than the sum of its proper divisors (6530396421).

30020211210331 is an equidigital number, since it uses as much as digits as its factorization.

30020211210331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6530396420.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30020211210331 its reverse (13301211202003), we get a palindrome (43321422412334).

The spelling of 30020211210331 in words is "thirty trillion, twenty billion, two hundred eleven million, two hundred ten thousand, three hundred thirty-one".