320432113 has 16 divisors (see below), whose sum is σ = 341631360. Its totient is φ = 299908224.

The previous prime is 320432111. The next prime is 320432149. The reversal of 320432113 is 311234023.

It is not a de Polignac number, because 320432113 - 2¹ = 320432111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320432111) 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, 232695 + ... + 234067.

It is an arithmetic number, because the mean of its divisors is an integer number (21351960).

Almost surely, 2^320432113 is an apocalyptic number.

It is an amenable number.

320432113 is a deficient number, since it is larger than the sum of its proper divisors (21199247).

320432113 is a wasteful number, since it uses less digits than its factorization.

320432113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 320432113 is about 17900.6176709073. The cubic root of 320432113 is about 684.2981163758.

Adding to 320432113 its reverse (311234023), we get a palindrome (631666136).

The spelling of 320432113 in words is "three hundred twenty million, four hundred thirty-two thousand, one hundred thirteen".