3243055530 has 128 divisors (see below), whose sum is σ = 9185218560. Its totient is φ = 722453760.

The previous prime is 3243055511. The next prime is 3243055549. The reversal of 3243055530 is 355503423.

It is an interprime number because it is at equal distance from previous prime (3243055511) and next prime (3243055549).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1023729 + ... + 1026891.

It is an arithmetic number, because the mean of its divisors is an integer number (71759520).

Almost surely, 2^3243055530 is an apocalyptic number.

3243055530 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 3243055530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4592609280).

3243055530 is an abundant number, since it is smaller than the sum of its proper divisors (5942163030).

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

3243055530 is a wasteful number, since it uses less digits than its factorization.

3243055530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3436.

The product of its (nonzero) digits is 27000, while the sum is 30.

The square root of 3243055530 is about 56947.8316531894. The cubic root of 3243055530 is about 1480.1922580163.

Adding to 3243055530 its reverse (355503423), we get a palindrome (3598558953).

The spelling of 3243055530 in words is "three billion, two hundred forty-three million, fifty-five thousand, five hundred thirty".