320342106 has 32 divisors (see below), whose sum is σ = 747158400. Its totient is φ = 91525728.

The previous prime is 320342063. The next prime is 320342111. The reversal of 320342106 is 601243023.

It is a happy number.

320342106 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75771 + ... + 79886.

It is an arithmetic number, because the mean of its divisors is an integer number (23348700).

Almost surely, 2^320342106 is an apocalyptic number.

320342106 is an abundant number, since it is smaller than the sum of its proper divisors (426816294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320342106 is a wasteful number, since it uses less digits than its factorization.

320342106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155683 (or 155669 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 320342106 is about 17898.1034190777. The cubic root of 320342106 is about 684.2340389568.

Adding to 320342106 its reverse (601243023), we get a palindrome (921585129).

The spelling of 320342106 in words is "three hundred twenty million, three hundred forty-two thousand, one hundred six".