30312211223 has 8 divisors (see below), whose sum is σ = 34646670240. Its totient is φ = 25978788000.

The previous prime is 30312211217. The next prime is 30312211243. The reversal of 30312211223 is 32211221303.

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

It is a cyclic number.

It is not a de Polignac number, because 30312211223 - 2¹⁴ = 30312194839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30312211195 and 30312211204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30312211243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195188 + ... + 314201.

It is an arithmetic number, because the mean of its divisors is an integer number (4330833780).

Almost surely, 2^30312211223 is an apocalyptic number.

30312211223 is a deficient number, since it is larger than the sum of its proper divisors (4334459017).

30312211223 is an equidigital number, since it uses as much as digits as its factorization.

30312211223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517897.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30312211223 its reverse (32211221303), we get a palindrome (62523432526).

The spelling of 30312211223 in words is "thirty billion, three hundred twelve million, two hundred eleven thousand, two hundred twenty-three".