1305532230 has 16 divisors (see below), whose sum is σ = 3133277424. Its totient is φ = 348141920.

The previous prime is 1305532229. The next prime is 1305532243. The reversal of 1305532230 is 322355031.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1305532230.

It is a congruent number.

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, 21758841 + ... + 21758900.

It is an arithmetic number, because the mean of its divisors is an integer number (195829839).

Almost surely, 2^1305532230 is an apocalyptic number.

1305532230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1305532230 is an abundant number, since it is smaller than the sum of its proper divisors (1827745194).

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

1305532230 is a wasteful number, since it uses less digits than its factorization.

1305532230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43517751.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 1305532230 is about 36132.1495347288. The cubic root of 1305532230 is about 1092.9388553294.

Adding to 1305532230 its reverse (322355031), we get a palindrome (1627887261).

The spelling of 1305532230 in words is "one billion, three hundred five million, five hundred thirty-two thousand, two hundred thirty".