30351042223 has 4 divisors (see below), whose sum is σ = 30359815128. Its totient is φ = 30342269320.

The previous prime is 30351042131. The next prime is 30351042233. The reversal of 30351042223 is 32224015303.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30351042223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30351042233) 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, 4381261 + ... + 4388182.

It is an arithmetic number, because the mean of its divisors is an integer number (7589953782).

Almost surely, 2^30351042223 is an apocalyptic number.

30351042223 is a deficient number, since it is larger than the sum of its proper divisors (8772905).

30351042223 is an equidigital number, since it uses as much as digits as its factorization.

30351042223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8772904.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 30351042223 its reverse (32224015303), we get a palindrome (62575057526).

The spelling of 30351042223 in words is "thirty billion, three hundred fifty-one million, forty-two thousand, two hundred twenty-three".