1321030230 has 64 divisors (see below), whose sum is σ = 3420930240. Its totient is φ = 324550656.

The previous prime is 1321030201. The next prime is 1321030253. The reversal of 1321030230 is 320301231.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218934 + ... + 224886.

It is an arithmetic number, because the mean of its divisors is an integer number (53452035).

Almost surely, 2^1321030230 is an apocalyptic number.

1321030230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1321030230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1710465120).

1321030230 is an abundant number, since it is smaller than the sum of its proper divisors (2099900010).

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

1321030230 is a wasteful number, since it uses less digits than its factorization.

1321030230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6545.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1321030230 is about 36345.9795575797. The cubic root of 1321030230 is about 1097.2466207306.

Adding to 1321030230 its reverse (320301231), we get a palindrome (1641331461).

The spelling of 1321030230 in words is "one billion, three hundred twenty-one million, thirty thousand, two hundred thirty".