1321443310342 has 8 divisors (see below), whose sum is σ = 1983939512256. Its totient is φ = 660130139592.

The previous prime is 1321443310303. The next prime is 1321443310373. The reversal of 1321443310342 is 2430133441231.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295754998 + ... + 295759465.

It is an arithmetic number, because the mean of its divisors is an integer number (247992439032).

Almost surely, 2^{1321443310342} is an apocalyptic number.

1321443310342 is a deficient number, since it is larger than the sum of its proper divisors (662496201914).

1321443310342 is a wasteful number, since it uses less digits than its factorization.

1321443310342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591515582.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 1321443310342 its reverse (2430133441231), we get a palindrome (3751576751573).

The spelling of 1321443310342 in words is "one trillion, three hundred twenty-one billion, four hundred forty-three million, three hundred ten thousand, three hundred forty-two".