320330130 has 96 divisors (see below), whose sum is σ = 816770304. Its totient is φ = 80352000.

The previous prime is 320330119. The next prime is 320330141. The reversal of 320330130 is 31033023.

It is an interprime number because it is at equal distance from previous prime (320330119) and next prime (320330141).

It is a super-2 number, since 2×320330130² = 205222784371633800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1181895 + ... + 1182165.

It is an arithmetic number, because the mean of its divisors is an integer number (8508024).

Almost surely, 2^320330130 is an apocalyptic number.

320330130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 320330130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408385152).

320330130 is an abundant number, since it is smaller than the sum of its proper divisors (496440174).

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

320330130 is a wasteful number, since it uses less digits than its factorization.

320330130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 15.

The square root of 320330130 is about 17897.7688553629. The cubic root of 320330130 is about 684.2255121466.

Adding to 320330130 its reverse (31033023), we get a palindrome (351363153).

It can be divided in two parts, 3203 and 30130, that added together give a palindrome (33333).

The spelling of 320330130 in words is "three hundred twenty million, three hundred thirty thousand, one hundred thirty".