30211020223 has 12 divisors (see below), whose sum is σ = 30585269520. Its totient is φ = 29840785632.

The previous prime is 30211020173. The next prime is 30211020241. The reversal of 30211020223 is 32202011203.

It is not a de Polignac number, because 30211020223 - 2²¹ = 30208923071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30211020197 and 30211020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30211023223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3754038 + ... + 3762076.

It is an arithmetic number, because the mean of its divisors is an integer number (2548772460).

Almost surely, 2^30211020223 is an apocalyptic number.

30211020223 is a deficient number, since it is larger than the sum of its proper divisors (374249297).

30211020223 is an equidigital number, since it uses as much as digits as its factorization.

30211020223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8526 (or 8399 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30211020223 its reverse (32202011203), we get a palindrome (62413031426).

The spelling of 30211020223 in words is "thirty billion, two hundred eleven million, twenty thousand, two hundred twenty-three".