1321442203330 has 8 divisors (see below), whose sum is σ = 2378595966012. Its totient is φ = 528576881328.

The previous prime is 1321442203309. The next prime is 1321442203337. The reversal of 1321442203330 is 333022441231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1251133968681 + 70308234649 = 1118541^2 + 265157^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1321442203337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66072110157 + ... + 66072110176.

Almost surely, 2^{1321442203330} is an apocalyptic number.

1321442203330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321442203330 is a deficient number, since it is larger than the sum of its proper divisors (1057153762682).

1321442203330 is a wasteful number, since it uses less digits than its factorization.

1321442203330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132144220340.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 1321442203330 its reverse (333022441231), we get a palindrome (1654464644561).

The spelling of 1321442203330 in words is "one trillion, three hundred twenty-one billion, four hundred forty-two million, two hundred three thousand, three hundred thirty".