30313240243 has 64 divisors (see below), whose sum is σ = 40662881280. Its totient is φ = 22126694400.

The previous prime is 30313240213. The next prime is 30313240259. The reversal of 30313240243 is 34204231303.

It is a cyclic number.

It is not a de Polignac number, because 30313240243 - 2⁵ = 30313240211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30313240213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1885746 + ... + 1901752.

It is an arithmetic number, because the mean of its divisors is an integer number (635357520).

Almost surely, 2^30313240243 is an apocalyptic number.

30313240243 is a deficient number, since it is larger than the sum of its proper divisors (10349641037).

30313240243 is a wasteful number, since it uses less digits than its factorization.

30313240243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16108.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 30313240243 its reverse (34204231303), we get a palindrome (64517471546).

The spelling of 30313240243 in words is "thirty billion, three hundred thirteen million, two hundred forty thousand, two hundred forty-three".