30555622340143 has 4 divisors (see below), whose sum is σ = 30561384295728. Its totient is φ = 30549860384560.

The previous prime is 30555622340057. The next prime is 30555622340183. The reversal of 30555622340143 is 34104322655503.

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 30555622340143 - 2⁹ = 30555622339631 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30555622340143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30555622340183) 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, 2880969838 + ... + 2880980443.

It is an arithmetic number, because the mean of its divisors is an integer number (7640346073932).

Almost surely, 2^{30555622340143} is an apocalyptic number.

30555622340143 is a deficient number, since it is larger than the sum of its proper divisors (5761955585).

30555622340143 is an equidigital number, since it uses as much as digits as its factorization.

30555622340143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5761955584.

The product of its (nonzero) digits is 1296000, while the sum is 43.

Adding to 30555622340143 its reverse (34104322655503), we get a palindrome (64659944995646).

The spelling of 30555622340143 in words is "thirty trillion, five hundred fifty-five billion, six hundred twenty-two million, three hundred forty thousand, one hundred forty-three".