30838231405 has 4 divisors (see below), whose sum is σ = 37005877692. Its totient is φ = 24670585120.

The previous prime is 30838231349. The next prime is 30838231441. The reversal of 30838231405 is 50413283803.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50413283803 = 179 ⋅281638457.

It can be written as a sum of positive squares in 2 ways, for example, as 20938379401 + 9899852004 = 144701^2 + 99498^2 .

It is not a de Polignac number, because 30838231405 - 2¹⁵ = 30838198637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 3083823136 + ... + 3083823145.

It is an arithmetic number, because the mean of its divisors is an integer number (9251469423).

Almost surely, 2^30838231405 is an apocalyptic number.

It is an amenable number.

30838231405 is a deficient number, since it is larger than the sum of its proper divisors (6167646287).

30838231405 is an equidigital number, since it uses as much as digits as its factorization.

30838231405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6167646286.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 30838231405 in words is "thirty billion, eight hundred thirty-eight million, two hundred thirty-one thousand, four hundred five".