320131413 has 16 divisors (see below), whose sum is σ = 542021760. Its totient is φ = 182932128.

The previous prime is 320131397. The next prime is 320131421. The reversal of 320131413 is 314131023.

It is not a de Polignac number, because 320131413 - 2⁴ = 320131397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320131423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 846720 + ... + 847097.

It is an arithmetic number, because the mean of its divisors is an integer number (33876360).

Almost surely, 2^320131413 is an apocalyptic number.

It is an amenable number.

320131413 is a deficient number, since it is larger than the sum of its proper divisors (221890347).

320131413 is a wasteful number, since it uses less digits than its factorization.

320131413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693833 (or 1693827 counting only the distinct ones).

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

The square root of 320131413 is about 17892.2165479853. The cubic root of 320131413 is about 684.0839963021.

Adding to 320131413 its reverse (314131023), we get a palindrome (634262436).

The spelling of 320131413 in words is "three hundred twenty million, one hundred thirty-one thousand, four hundred thirteen".