30503802309 has 8 divisors (see below), whose sum is σ = 40673962752. Its totient is φ = 20334755040.

The previous prime is 30503802283. The next prime is 30503802311. The reversal of 30503802309 is 90320830503.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30503802309 - 2⁸ = 30503802053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30503802309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30503802319) 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 7 ways as a sum of consecutive naturals, for example, 212104 + ... + 325569.

It is an arithmetic number, because the mean of its divisors is an integer number (5084245344).

Almost surely, 2^30503802309 is an apocalyptic number.

It is an amenable number.

30503802309 is a deficient number, since it is larger than the sum of its proper divisors (10170160443).

30503802309 is a wasteful number, since it uses less digits than its factorization.

30503802309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556587.

The product of its (nonzero) digits is 19440, while the sum is 33.

The spelling of 30503802309 in words is "thirty billion, five hundred three million, eight hundred two thousand, three hundred nine".