30938423193 has 12 divisors (see below), whose sum is σ = 44700452160. Its totient is φ = 20620253016.

The previous prime is 30938423183. The next prime is 30938423203. The reversal of 30938423193 is 39132483903.

30938423193 is a `hidden beast` number, since 3 + 0 + 9 + 38 + 423 + 193 = 666.

It is an interprime number because it is at equal distance from previous prime (30938423183) and next prime (30938423203).

It is not a de Polignac number, because 30938423193 - 2¹⁶ = 30938357657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30938423183) 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, 410173 + ... + 479706.

It is an arithmetic number, because the mean of its divisors is an integer number (3725037680).

Almost surely, 2^30938423193 is an apocalyptic number.

It is an amenable number.

30938423193 is a deficient number, since it is larger than the sum of its proper divisors (13762028967).

30938423193 is a wasteful number, since it uses less digits than its factorization.

30938423193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893748 (or 893745 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The spelling of 30938423193 in words is "thirty billion, nine hundred thirty-eight million, four hundred twenty-three thousand, one hundred ninety-three".