320143341331 has 8 divisors (see below), whose sum is σ = 349733030400. Its totient is φ = 290634610440.

The previous prime is 320143341281. The next prime is 320143341367. The reversal of 320143341331 is 133143341023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320143341331 - 2¹⁷ = 320143210259 is a prime.

It is a super-2 number, since 2×320143341331² (a number of 24 digits) contains 22 as substring.

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 320143341331.

It is not an unprimeable number, because it can be changed into a prime (320143342331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20231271 + ... + 20247088.

It is an arithmetic number, because the mean of its divisors is an integer number (43716628800).

Almost surely, 2^320143341331 is an apocalyptic number.

320143341331 is a deficient number, since it is larger than the sum of its proper divisors (29589689069).

320143341331 is a wasteful number, since it uses less digits than its factorization.

320143341331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40479089.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 320143341331 its reverse (133143341023), we get a palindrome (453286682354).

The spelling of 320143341331 in words is "three hundred twenty billion, one hundred forty-three million, three hundred forty-one thousand, three hundred thirty-one".