30143545309 has 2 divisors, whose sum is σ = 30143545310. Its totient is φ = 30143545308.

The previous prime is 30143545307. The next prime is 30143545337. The reversal of 30143545309 is 90354534103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29283765625 + 859779684 = 171125^2 + 29322^2 .

It is an emirp because it is prime and its reverse (90354534103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30143545309 - 2¹ = 30143545307 is a prime.

Together with 30143545307, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30143545307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15071772654 + 15071772655.

It is an arithmetic number, because the mean of its divisors is an integer number (15071772655).

Almost surely, 2^30143545309 is an apocalyptic number.

It is an amenable number.

30143545309 is a deficient number, since it is larger than the sum of its proper divisors (1).

30143545309 is an equidigital number, since it uses as much as digits as its factorization.

30143545309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 37.

The spelling of 30143545309 in words is "thirty billion, one hundred forty-three million, five hundred forty-five thousand, three hundred nine".