30743203943139 has 16 divisors (see below), whose sum is σ = 41552683663392. Its totient is φ = 20214599804928.

The previous prime is 30743203943129. The next prime is 30743203943143. The reversal of 30743203943139 is 93134930234703.

It is a happy number.

It is not a de Polignac number, because 30743203943139 - 2²⁰ = 30743202894563 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30743203943091 and 30743203943100.

It is not an unprimeable number, because it can be changed into a prime (30743203943129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68388007 + ... + 68836079.

It is an arithmetic number, because the mean of its divisors is an integer number (2597042728962).

Almost surely, 2^{30743203943139} is an apocalyptic number.

30743203943139 is a deficient number, since it is larger than the sum of its proper divisors (10809479720253).

30743203943139 is a wasteful number, since it uses less digits than its factorization.

30743203943139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761446.

The product of its (nonzero) digits is 4408992, while the sum is 51.

The spelling of 30743203943139 in words is "thirty trillion, seven hundred forty-three billion, two hundred three million, nine hundred forty-three thousand, one hundred thirty-nine".