320030442143 has 4 divisors (see below), whose sum is σ = 320043840240. Its totient is φ = 320017044048.

The previous prime is 320030442089. The next prime is 320030442157. The reversal of 320030442143 is 341244030023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341244030023 = 13 ⋅26249540771.

It is a cyclic number.

It is not a de Polignac number, because 320030442143 - 2³⁰ = 318956700319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320030442343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6663155 + ... + 6711012.

It is an arithmetic number, because the mean of its divisors is an integer number (80010960060).

Almost surely, 2^320030442143 is an apocalyptic number.

320030442143 is a deficient number, since it is larger than the sum of its proper divisors (13398097).

320030442143 is a wasteful number, since it uses less digits than its factorization.

320030442143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13398096.

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

Adding to 320030442143 its reverse (341244030023), we get a palindrome (661274472166).

The spelling of 320030442143 in words is "three hundred twenty billion, thirty million, four hundred forty-two thousand, one hundred forty-three".