30105235321 has 4 divisors (see below), whose sum is σ = 34405983232. Its totient is φ = 25804487412.

The previous prime is 30105235283. The next prime is 30105235331. The reversal of 30105235321 is 12353250103.

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.

It is a cyclic number.

It is not a de Polignac number, because 30105235321 - 2¹¹ = 30105233273 is a prime.

It is a super-3 number, since 3×30105235321³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30105235331) 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, 2150373945 + ... + 2150373958.

It is an arithmetic number, because the mean of its divisors is an integer number (8601495808).

Almost surely, 2^30105235321 is an apocalyptic number.

It is an amenable number.

30105235321 is a deficient number, since it is larger than the sum of its proper divisors (4300747911).

30105235321 is an equidigital number, since it uses as much as digits as its factorization.

30105235321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4300747910.

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 30105235321 its reverse (12353250103), we get a palindrome (42458485424).

The spelling of 30105235321 in words is "thirty billion, one hundred five million, two hundred thirty-five thousand, three hundred twenty-one".