30305753803 has 12 divisors (see below), whose sum is σ = 33025339488. Its totient is φ = 27796335840.

The previous prime is 30305753801. The next prime is 30305753837. The reversal of 30305753803 is 30835750303.

It is not a de Polignac number, because 30305753803 - 2¹ = 30305753801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30305753801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 544563 + ... + 597628.

It is an arithmetic number, because the mean of its divisors is an integer number (2752111624).

Almost surely, 2^30305753803 is an apocalyptic number.

30305753803 is a deficient number, since it is larger than the sum of its proper divisors (2719585685).

30305753803 is a wasteful number, since it uses less digits than its factorization.

30305753803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142374 (or 1142361 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 37.

The spelling of 30305753803 in words is "thirty billion, three hundred five million, seven hundred fifty-three thousand, eight hundred three".