30900805433 has 8 divisors (see below), whose sum is σ = 31006385280. Its totient is φ = 30795266080.

The previous prime is 30900805393. The next prime is 30900805451. The reversal of 30900805433 is 33450800903.

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

It is a cyclic number.

It is not a de Polignac number, because 30900805433 - 2³² = 26605838137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30900805393 and 30900805402.

It is not an unprimeable number, because it can be changed into a prime (30900805333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3082916 + ... + 3092922.

It is an arithmetic number, because the mean of its divisors is an integer number (3875798160).

Almost surely, 2^30900805433 is an apocalyptic number.

It is an amenable number.

30900805433 is a deficient number, since it is larger than the sum of its proper divisors (105579847).

30900805433 is a wasteful number, since it uses less digits than its factorization.

30900805433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20247.

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 30900805433 in words is "thirty billion, nine hundred million, eight hundred five thousand, four hundred thirty-three".