30311100223 has 4 divisors (see below), whose sum is σ = 30726320848. Its totient is φ = 29895879600.

The previous prime is 30311100187. The next prime is 30311100293. The reversal of 30311100223 is 32200111303.

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 30311100223 - 2²¹ = 30309003071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30311100197 and 30311100206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30311100293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207610203 + ... + 207610348.

It is an arithmetic number, because the mean of its divisors is an integer number (7681580212).

Almost surely, 2^30311100223 is an apocalyptic number.

30311100223 is a deficient number, since it is larger than the sum of its proper divisors (415220625).

30311100223 is an equidigital number, since it uses as much as digits as its factorization.

30311100223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415220624.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30311100223 its reverse (32200111303), we get a palindrome (62511211526).

The spelling of 30311100223 in words is "thirty billion, three hundred eleven million, one hundred thousand, two hundred twenty-three".