30863180885 has 16 divisors (see below), whose sum is σ = 37672914672. Its totient is φ = 24266457600.

The previous prime is 30863180837. The next prime is 30863180939. The reversal of 30863180885 is 58808136803.

It can be written as a sum of positive squares in 8 ways, for example, as 421201 + 30862759684 = 649^2 + 175678^2 .

It is not a de Polignac number, because 30863180885 - 2¹⁸ = 30862918741 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 349865 + ... + 429105.

It is an arithmetic number, because the mean of its divisors is an integer number (2354557167).

Almost surely, 2^30863180885 is an apocalyptic number.

It is an amenable number.

30863180885 is a deficient number, since it is larger than the sum of its proper divisors (6809733787).

30863180885 is a wasteful number, since it uses less digits than its factorization.

30863180885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80584.

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 30863180885 in words is "thirty billion, eight hundred sixty-three million, one hundred eighty thousand, eight hundred eighty-five".