328111530 has 16 divisors (see below), whose sum is σ = 787467744. Its totient is φ = 87496400.

The previous prime is 328111507. The next prime is 328111549. The reversal of 328111530 is 35111823.

It is a super-2 number, since 2×328111530² = 215314352237881800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 328111530.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5468496 + ... + 5468555.

It is an arithmetic number, because the mean of its divisors is an integer number (49216734).

Almost surely, 2^328111530 is an apocalyptic number.

328111530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

328111530 is an abundant number, since it is smaller than the sum of its proper divisors (459356214).

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

328111530 is a wasteful number, since it uses less digits than its factorization.

328111530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10937061.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 328111530 is about 18113.8491215975. The cubic root of 328111530 is about 689.7216058179.

The spelling of 328111530 in words is "three hundred twenty-eight million, one hundred eleven thousand, five hundred thirty".