320311896 has 32 divisors (see below), whose sum is σ = 801239040. Its totient is φ = 106709408.

The previous prime is 320311889. The next prime is 320311897. The reversal of 320311896 is 698113023.

It is a super-2 number, since 2×320311896² = 205199421438229632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320311897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62005 + ... + 66971.

It is an arithmetic number, because the mean of its divisors is an integer number (25038720).

Almost surely, 2^320311896 is an apocalyptic number.

It is an amenable number.

320311896 is an abundant number, since it is smaller than the sum of its proper divisors (480927144).

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

320311896 is a wasteful number, since it uses less digits than its factorization.

320311896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7663 (or 7659 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 320311896 is about 17897.2594550115. The cubic root of 320311896 is about 684.2125292855.

The spelling of 320311896 in words is "three hundred twenty million, three hundred eleven thousand, eight hundred ninety-six".