30232321321 has 4 divisors (see below), whose sum is σ = 30802742532. Its totient is φ = 29661900112.

The previous prime is 30232321309. The next prime is 30232321351. The reversal of 30232321321 is 12312323203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12312323203 = 593 ⋅20762771.

It can be written as a sum of positive squares in 2 ways, for example, as 7743120025 + 22489201296 = 87995^2 + 149964^2 .

It is a cyclic number.

It is not a de Polignac number, because 30232321321 - 2⁵ = 30232321289 is a prime.

It is a super-3 number, since 3×30232321321³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30232321292 and 30232321301.

It is not an unprimeable number, because it can be changed into a prime (30232321351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285210526 + ... + 285210631.

It is an arithmetic number, because the mean of its divisors is an integer number (7700685633).

Almost surely, 2^30232321321 is an apocalyptic number.

It is an amenable number.

30232321321 is a deficient number, since it is larger than the sum of its proper divisors (570421211).

30232321321 is an equidigital number, since it uses as much as digits as its factorization.

30232321321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570421210.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 30232321321 its reverse (12312323203), we get a palindrome (42544644524).

The spelling of 30232321321 in words is "thirty billion, two hundred thirty-two million, three hundred twenty-one thousand, three hundred twenty-one".