30321312233 has 16 divisors (see below), whose sum is σ = 30971328960. Its totient is φ = 29677665600.

The previous prime is 30321312227. The next prime is 30321312253. The reversal of 30321312233 is 33221312303.

It is a cyclic number.

It is not a de Polignac number, because 30321312233 - 2⁶ = 30321312169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30321312199 and 30321312208.

It is not an unprimeable number, because it can be changed into a prime (30321312253) 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 15 ways as a sum of consecutive naturals, for example, 8759123 + ... + 8762583.

It is an arithmetic number, because the mean of its divisors is an integer number (1935708060).

Almost surely, 2^30321312233 is an apocalyptic number.

It is an amenable number.

30321312233 is a deficient number, since it is larger than the sum of its proper divisors (650016727).

30321312233 is a wasteful number, since it uses less digits than its factorization.

30321312233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4328.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 30321312233 its reverse (33221312303), we get a palindrome (63542624536).

The spelling of 30321312233 in words is "thirty billion, three hundred twenty-one million, three hundred twelve thousand, two hundred thirty-three".