320030013443 has 32 divisors (see below), whose sum is σ = 374576596992. Its totient is φ = 267766790400.

The previous prime is 320030013397. The next prime is 320030013467. The reversal of 320030013443 is 344310030023.

It is a cyclic number.

It is not a de Polignac number, because 320030013443 - 2²⁴ = 320013236227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320030013343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30936530 + ... + 30946872.

It is an arithmetic number, because the mean of its divisors is an integer number (11705518656).

Almost surely, 2^320030013443 is an apocalyptic number.

320030013443 is a deficient number, since it is larger than the sum of its proper divisors (54546583549).

320030013443 is a wasteful number, since it uses less digits than its factorization.

320030013443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10955.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 320030013443 its reverse (344310030023), we get a palindrome (664340043466).

The spelling of 320030013443 in words is "three hundred twenty billion, thirty million, thirteen thousand, four hundred forty-three".