320201110431 has 12 divisors (see below), whose sum is σ = 463885160752. Its totient is φ = 212833970496.

The previous prime is 320201110381. The next prime is 320201110451. The reversal of 320201110431 is 134011102023.

320201110431 is a `hidden beast` number, since 3 + 20 + 201 + 1 + 10 + 431 = 666.

It is not a de Polignac number, because 320201110431 - 2¹⁵ = 320201077663 is a prime.

It is a super-2 number, since 2×320201110431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320201110451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52783171 + ... + 52789236.

Almost surely, 2^320201110431 is an apocalyptic number.

320201110431 is a deficient number, since it is larger than the sum of its proper divisors (143684050321).

320201110431 is a wasteful number, since it uses less digits than its factorization.

320201110431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105572750 (or 105572747 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 320201110431 its reverse (134011102023), we get a palindrome (454212212454).

The spelling of 320201110431 in words is "three hundred twenty billion, two hundred one million, one hundred ten thousand, four hundred thirty-one".