30938954816875 has 20 divisors (see below), whose sum is σ = 44184363365296. Its totient is φ = 21215283300000.

The previous prime is 30938954816849. The next prime is 30938954816879. The reversal of 30938954816875 is 57861845983903.

It is not a de Polignac number, because 30938954816875 - 2¹⁵ = 30938954784107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30938954816879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3535876176 + ... + 3535884925.

Almost surely, 2^{30938954816875} is an apocalyptic number.

30938954816875 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30938954816875 is a deficient number, since it is larger than the sum of its proper divisors (13245408548421).

30938954816875 is an frugal number, since it uses more digits than its factorization.

30938954816875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7071761128 (or 7071761113 counting only the distinct ones).

The product of its (nonzero) digits is 1567641600, while the sum is 76.

The spelling of 30938954816875 in words is "thirty trillion, nine hundred thirty-eight billion, nine hundred fifty-four million, eight hundred sixteen thousand, eight hundred seventy-five".