30255430913 has 4 divisors (see below), whose sum is σ = 31073145300. Its totient is φ = 29437716528.

The previous prime is 30255430901. The next prime is 30255430921. The reversal of 30255430913 is 31903455203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31903455203 = 2011 ⋅15864473.

It can be written as a sum of positive squares in 2 ways, for example, as 10596025969 + 19659404944 = 102937^2 + 140212^2 .

It is a cyclic number.

It is not a de Polignac number, because 30255430913 - 2⁴ = 30255430897 is a prime.

It is a super-3 number, since 3×30255430913³ (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 (30255430943) 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 3 ways as a sum of consecutive naturals, for example, 408857138 + ... + 408857211.

It is an arithmetic number, because the mean of its divisors is an integer number (7768286325).

Almost surely, 2^30255430913 is an apocalyptic number.

It is an amenable number.

30255430913 is a deficient number, since it is larger than the sum of its proper divisors (817714387).

30255430913 is an equidigital number, since it uses as much as digits as its factorization.

30255430913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817714386.

The product of its (nonzero) digits is 48600, while the sum is 35.

The spelling of 30255430913 in words is "thirty billion, two hundred fifty-five million, four hundred thirty thousand, nine hundred thirteen".