30313011233 has 4 divisors (see below), whose sum is σ = 30347186880. Its totient is φ = 30278835588.

The previous prime is 30313011229. The next prime is 30313011247. The reversal of 30313011233 is 33211031303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33211031303 = 16903 ⋅1964801.

It is a cyclic number.

It is not a de Polignac number, because 30313011233 - 2² = 30313011229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30313011133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17086493 + ... + 17088266.

It is an arithmetic number, because the mean of its divisors is an integer number (7586796720).

Almost surely, 2^30313011233 is an apocalyptic number.

It is an amenable number.

30313011233 is a deficient number, since it is larger than the sum of its proper divisors (34175647).

30313011233 is an equidigital number, since it uses as much as digits as its factorization.

30313011233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34175646.

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

Adding to 30313011233 its reverse (33211031303), we get a palindrome (63524042536).

The spelling of 30313011233 in words is "thirty billion, three hundred thirteen million, eleven thousand, two hundred thirty-three".