30321323123321 has 4 divisors (see below), whose sum is σ = 30430786383972. Its totient is φ = 30211859862672.

The previous prime is 30321323123293. The next prime is 30321323123323. The reversal of 30321323123321 is 12332132312303.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10411334755600 + 19909988367721 = 3226660^2 + 4462061^2 .

It is a cyclic number.

It is not a de Polignac number, because 30321323123321 - 2²⁶ = 30321256014457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30321323123323) 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, 54731629910 + ... + 54731630463.

It is an arithmetic number, because the mean of its divisors is an integer number (7607696595993).

Almost surely, 2^{30321323123321} is an apocalyptic number.

It is an amenable number.

30321323123321 is a deficient number, since it is larger than the sum of its proper divisors (109463260651).

30321323123321 is a wasteful number, since it uses less digits than its factorization.

30321323123321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109463260650.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 30321323123321 its reverse (12332132312303), we get a palindrome (42653455435624).

The spelling of 30321323123321 in words is "thirty trillion, three hundred twenty-one billion, three hundred twenty-three million, one hundred twenty-three thousand, three hundred twenty-one".