320115742 has 16 divisors (see below), whose sum is σ = 487880640. Its totient is φ = 157502592.

The previous prime is 320115709. The next prime is 320115751. The reversal of 320115742 is 247511023.

It is a happy number.

320115742 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 46218 + ... + 52690.

It is an arithmetic number, because the mean of its divisors is an integer number (30492540).

Almost surely, 2^320115742 is an apocalyptic number.

320115742 is a deficient number, since it is larger than the sum of its proper divisors (167764898).

320115742 is a wasteful number, since it uses less digits than its factorization.

320115742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6867.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 320115742 is about 17891.7786147716. The cubic root of 320115742 is about 684.0728337453.

Adding to 320115742 its reverse (247511023), we get a palindrome (567626765).

The spelling of 320115742 in words is "three hundred twenty million, one hundred fifteen thousand, seven hundred forty-two".