320311334 has 12 divisors (see below), whose sum is σ = 558910764. Its totient is φ = 137276244.

The previous prime is 320311333. The next prime is 320311373. The reversal of 320311334 is 433113023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320311333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1634144 + ... + 1634339.

It is an arithmetic number, because the mean of its divisors is an integer number (46575897).

Almost surely, 2^320311334 is an apocalyptic number.

320311334 is a deficient number, since it is larger than the sum of its proper divisors (238599430).

320311334 is a wasteful number, since it uses less digits than its factorization.

320311334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268499 (or 3268492 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 320311334 is about 17897.2437542768. The cubic root of 320311334 is about 684.2121291259.

Adding to 320311334 its reverse (433113023), we get a palindrome (753424357).

The spelling of 320311334 in words is "three hundred twenty million, three hundred eleven thousand, three hundred thirty-four".