30556440143 has 2 divisors, whose sum is σ = 30556440144. Its totient is φ = 30556440142.

The previous prime is 30556440097. The next prime is 30556440151. The reversal of 30556440143 is 34104465503.

It is a strong prime.

It is an emirp because it is prime and its reverse (34104465503) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30556440143 - 2¹⁰ = 30556439119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30556440443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15278220071 + 15278220072.

It is an arithmetic number, because the mean of its divisors is an integer number (15278220072).

Almost surely, 2^30556440143 is an apocalyptic number.

30556440143 is a deficient number, since it is larger than the sum of its proper divisors (1).

30556440143 is an equidigital number, since it uses as much as digits as its factorization.

30556440143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 30556440143 in words is "thirty billion, five hundred fifty-six million, four hundred forty thousand, one hundred forty-three".