1321343413242 has 16 divisors (see below), whose sum is σ = 2651294930592. Its totient is φ = 439013120400.

The previous prime is 1321343413231. The next prime is 1321343413253. The reversal of 1321343413242 is 2423143431231.

It is an interprime number because it is at equal distance from previous prime (1321343413231) and next prime (1321343413253).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358669009 + ... + 358672692.

It is an arithmetic number, because the mean of its divisors is an integer number (165705933162).

Almost surely, 2^{1321343413242} is an apocalyptic number.

1321343413242 is an abundant number, since it is smaller than the sum of its proper divisors (1329951517350).

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

1321343413242 is a wasteful number, since it uses less digits than its factorization.

1321343413242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717342013.

The product of its digits is 41472, while the sum is 33.

Adding to 1321343413242 its reverse (2423143431231), we get a palindrome (3744486844473).

The spelling of 1321343413242 in words is "one trillion, three hundred twenty-one billion, three hundred forty-three million, four hundred thirteen thousand, two hundred forty-two".