30345043213 has 2 divisors, whose sum is σ = 30345043214. Its totient is φ = 30345043212.

The previous prime is 30345043193. The next prime is 30345043217. The reversal of 30345043213 is 31234054303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20961827524 + 9383215689 = 144782^2 + 96867^2 .

It is a cyclic number.

It is not a de Polignac number, because 30345043213 - 2⁹ = 30345042701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30345043217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15172521606 + 15172521607.

It is an arithmetic number, because the mean of its divisors is an integer number (15172521607).

Almost surely, 2^30345043213 is an apocalyptic number.

It is an amenable number.

30345043213 is a deficient number, since it is larger than the sum of its proper divisors (1).

30345043213 is an equidigital number, since it uses as much as digits as its factorization.

30345043213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 30345043213 its reverse (31234054303), we get a palindrome (61579097516).

The spelling of 30345043213 in words is "thirty billion, three hundred forty-five million, forty-three thousand, two hundred thirteen".