1230303321 has 24 divisors (see below), whose sum is σ = 1932772296. Its totient is φ = 749606400.

The previous prime is 1230303307. The next prime is 1230303329. The reversal of 1230303321 is 1233030321.

1230303321 is a `hidden beast` number, since 12 + 30 + 303 + 321 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 122412096 + 1107891225 = 11064^2 + 33285^2 .

It is not a de Polignac number, because 1230303321 - 2¹⁵ = 1230270553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1230303294 and 1230303303.

It is not an unprimeable number, because it can be changed into a prime (1230303329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40240 + ... + 63873.

It is an arithmetic number, because the mean of its divisors is an integer number (80532179).

Almost surely, 2^1230303321 is an apocalyptic number.

It is an amenable number.

1230303321 is a deficient number, since it is larger than the sum of its proper divisors (702468975).

1230303321 is a wasteful number, since it uses less digits than its factorization.

1230303321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104233 (or 104230 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1230303321 is about 35075.6799078792. The cubic root of 1230303321 is about 1071.5293357955.

Adding to 1230303321 its reverse (1233030321), we get a palindrome (2463333642).

The spelling of 1230303321 in words is "one billion, two hundred thirty million, three hundred three thousand, three hundred twenty-one".