30434201243 has 4 divisors (see below), whose sum is σ = 31757427408. Its totient is φ = 29110975080.

The previous prime is 30434201179. The next prime is 30434201249. The reversal of 30434201243 is 34210243403.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30434201243 - 2⁶ = 30434201179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30434201249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 661613048 + ... + 661613093.

It is an arithmetic number, because the mean of its divisors is an integer number (7939356852).

Almost surely, 2^30434201243 is an apocalyptic number.

30434201243 is a deficient number, since it is larger than the sum of its proper divisors (1323226165).

30434201243 is a wasteful number, since it uses less digits than its factorization.

30434201243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323226164.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 30434201243 its reverse (34210243403), we get a palindrome (64644444646).

The spelling of 30434201243 in words is "thirty billion, four hundred thirty-four million, two hundred one thousand, two hundred forty-three".