320041403231 has 16 divisors (see below), whose sum is σ = 351287635968. Its totient is φ = 289156576800.

The previous prime is 320041403207. The next prime is 320041403251. The reversal of 320041403231 is 132304140023.

It is a cyclic number.

It is not a de Polignac number, because 320041403231 - 2³⁴ = 302861534047 is a prime.

It is a super-2 number, since 2×320041403231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320041403197 and 320041403206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320041403251) 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, 2226710 + ... + 2366076.

It is an arithmetic number, because the mean of its divisors is an integer number (21955477248).

Almost surely, 2^320041403231 is an apocalyptic number.

320041403231 is a deficient number, since it is larger than the sum of its proper divisors (31246232737).

320041403231 is a wasteful number, since it uses less digits than its factorization.

320041403231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140662.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 320041403231 its reverse (132304140023), we get a palindrome (452345543254).

The spelling of 320041403231 in words is "three hundred twenty billion, forty-one million, four hundred three thousand, two hundred thirty-one".