30542130393 has 24 divisors (see below), whose sum is σ = 43605290400. Its totient is φ = 18962698176.

The previous prime is 30542130391. The next prime is 30542130401. The reversal of 30542130393 is 39303124503.

It is not a de Polignac number, because 30542130393 - 2¹ = 30542130391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30542130391) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121453 + ... + 275381.

It is an arithmetic number, because the mean of its divisors is an integer number (1816887100).

Almost surely, 2^30542130393 is an apocalyptic number.

It is an amenable number.

30542130393 is a deficient number, since it is larger than the sum of its proper divisors (13063160007).

30542130393 is a wasteful number, since it uses less digits than its factorization.

30542130393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154069 (or 154010 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 33.

Adding to 30542130393 its reverse (39303124503), we get a palindrome (69845254896).

The spelling of 30542130393 in words is "thirty billion, five hundred forty-two million, one hundred thirty thousand, three hundred ninety-three".