320031140443 has 16 divisors (see below), whose sum is σ = 378445455360. Its totient is φ = 264794896800.

The previous prime is 320031140393. The next prime is 320031140467. The reversal of 320031140443 is 344041130023.

It is not a de Polignac number, because 320031140443 - 2¹³ = 320031132251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320031140743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 760278 + ... + 1103668.

It is an arithmetic number, because the mean of its divisors is an integer number (23652840960).

Almost surely, 2^320031140443 is an apocalyptic number.

320031140443 is a deficient number, since it is larger than the sum of its proper divisors (58414314917).

320031140443 is a wasteful number, since it uses less digits than its factorization.

320031140443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348018.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 320031140443 its reverse (344041130023), we get a palindrome (664072270466).

The spelling of 320031140443 in words is "three hundred twenty billion, thirty-one million, one hundred forty thousand, four hundred forty-three".