320282312 has 64 divisors (see below), whose sum is σ = 734106240. Its totient is φ = 127872000.

The previous prime is 320282273. The next prime is 320282321. The reversal of 320282312 is 213282023.

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, 94487 + ... + 97817.

It is an arithmetic number, because the mean of its divisors is an integer number (11470410).

Almost surely, 2^320282312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320282312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367053120).

320282312 is an abundant number, since it is smaller than the sum of its proper divisors (413823928).

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

320282312 is a wasteful number, since it uses less digits than its factorization.

320282312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3462 (or 3458 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 320282312 is about 17896.4329406728. The cubic root of 320282312 is about 684.1914640187.

The spelling of 320282312 in words is "three hundred twenty million, two hundred eighty-two thousand, three hundred twelve".