320411130 has 64 divisors (see below), whose sum is σ = 830124288. Its totient is φ = 78681600.

The previous prime is 320411107. The next prime is 320411141. The reversal of 320411130 is 31114023.

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 31 ways as a sum of consecutive naturals, for example, 233707 + ... + 235073.

It is an arithmetic number, because the mean of its divisors is an integer number (12970692).

Almost surely, 2^320411130 is an apocalyptic number.

320411130 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 320411130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415062144).

320411130 is an abundant number, since it is smaller than the sum of its proper divisors (509713158).

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

320411130 is a wasteful number, since it uses less digits than its factorization.

320411130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 320411130 is about 17900.0315642180. The cubic root of 320411130 is about 684.2831793161.

Adding to 320411130 its reverse (31114023), we get a palindrome (351525153).

The spelling of 320411130 in words is "three hundred twenty million, four hundred eleven thousand, one hundred thirty".