320140001331 has 12 divisors (see below), whose sum is σ = 462430347808. Its totient is φ = 213423943824.

The previous prime is 320140001273. The next prime is 320140001333. The reversal of 320140001331 is 133100041023.

320140001331 is a `hidden beast` number, since 320 + 14 + 0 + 0 + 0 + 1 + 331 = 666.

It is not a de Polignac number, because 320140001331 - 2¹⁵ = 320139968563 is a prime.

It is a super-2 number, since 2×320140001331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320140001333) 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, 729606 + ... + 1082868.

Almost surely, 2^320140001331 is an apocalyptic number.

320140001331 is a deficient number, since it is larger than the sum of its proper divisors (142290346477).

320140001331 is a wasteful number, since it uses less digits than its factorization.

320140001331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453962 (or 453959 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 320140001331 its reverse (133100041023), we get a palindrome (453240042354).

The spelling of 320140001331 in words is "three hundred twenty billion, one hundred forty million, one thousand, three hundred thirty-one".