320341131 has 12 divisors (see below), whose sum is σ = 504780120. Its totient is φ = 194146080.

The previous prime is 320341127. The next prime is 320341139. The reversal of 320341131 is 131143023.

320341131 is a `hidden beast` number, since 320 + 341 + 1 + 3 + 1 = 666.

It is not a de Polignac number, because 320341131 - 2² = 320341127 is a prime.

It is a super-2 number, since 2×320341131² = 205236880420718322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320341139) 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, 1617786 + ... + 1617983.

It is an arithmetic number, because the mean of its divisors is an integer number (42065010).

Almost surely, 2^320341131 is an apocalyptic number.

320341131 is a deficient number, since it is larger than the sum of its proper divisors (184438989).

320341131 is a wasteful number, since it uses less digits than its factorization.

320341131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3235786 (or 3235783 counting only the distinct ones).

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

The square root of 320341131 is about 17898.0761815341. The cubic root of 320341131 is about 684.2333447730.

Adding to 320341131 its reverse (131143023), we get a palindrome (451484154).

The spelling of 320341131 in words is "three hundred twenty million, three hundred forty-one thousand, one hundred thirty-one".