320142104 has 32 divisors (see below), whose sum is σ = 617047200. Its totient is φ = 155623680.

The previous prime is 320142089. The next prime is 320142127. The reversal of 320142104 is 401241023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102437 + ... + 105515.

It is an arithmetic number, because the mean of its divisors is an integer number (19282725).

Almost surely, 2^320142104 is an apocalyptic number.

It is an amenable number.

320142104 is a deficient number, since it is larger than the sum of its proper divisors (296905096).

320142104 is a wasteful number, since it uses less digits than its factorization.

320142104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3443 (or 3439 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 320142104 is about 17892.5153066862. The cubic root of 320142104 is about 684.0916113630.

Adding to 320142104 its reverse (401241023), we get a palindrome (721383127).

The spelling of 320142104 in words is "three hundred twenty million, one hundred forty-two thousand, one hundred four".