30306011534221 has 4 divisors (see below), whose sum is σ = 30671144203392. Its totient is φ = 29940878865052.

The previous prime is 30306011534219. The next prime is 30306011534243. The reversal of 30306011534221 is 12243511060303.

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 30306011534221 - 2¹ = 30306011534219 is a prime.

It is a super-2 number, since 2×30306011534221² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30306011534251) 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, 182566334461 + ... + 182566334626.

It is an arithmetic number, because the mean of its divisors is an integer number (7667786050848).

Almost surely, 2^{30306011534221} is an apocalyptic number.

It is an amenable number.

30306011534221 is a deficient number, since it is larger than the sum of its proper divisors (365132669171).

30306011534221 is an equidigital number, since it uses as much as digits as its factorization.

30306011534221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365132669170.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 30306011534221 its reverse (12243511060303), we get a palindrome (42549522594524).

The spelling of 30306011534221 in words is "thirty trillion, three hundred six billion, eleven million, five hundred thirty-four thousand, two hundred twenty-one".