30313112303 has 4 divisors (see below), whose sum is σ = 30581370048. Its totient is φ = 30044854560.

The previous prime is 30313112299. The next prime is 30313112311. The reversal of 30313112303 is 30321131303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30321131303 = 17 ⋅1783595959.

It is a cyclic number.

It is not a de Polignac number, because 30313112303 - 2² = 30313112299 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 (30313112603) 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, 134128703 + ... + 134128928.

It is an arithmetic number, because the mean of its divisors is an integer number (7645342512).

Almost surely, 2^30313112303 is an apocalyptic number.

30313112303 is a deficient number, since it is larger than the sum of its proper divisors (268257745).

30313112303 is a wasteful number, since it uses less digits than its factorization.

30313112303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268257744.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 30313112303 its reverse (30321131303), we get a palindrome (60634243606).

The spelling of 30313112303 in words is "thirty billion, three hundred thirteen million, one hundred twelve thousand, three hundred three".