1331342321342 has 48 divisors (see below), whose sum is σ = 2313181202976. Its totient is φ = 573113112000.

The previous prime is 1331342321341. The next prime is 1331342321357. The reversal of 1331342321342 is 2431232431331.

It is a junction number, because it is equal to n+sod(n) for n = 1331342321299 and 1331342321308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331342321341) 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, 621953 + ... + 1746284.

It is an arithmetic number, because the mean of its divisors is an integer number (48191275062).

Almost surely, 2^{1331342321342} is an apocalyptic number.

1331342321342 is a deficient number, since it is larger than the sum of its proper divisors (981838881634).

1331342321342 is a wasteful number, since it uses less digits than its factorization.

1331342321342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368385 (or 2368374 counting only the distinct ones).

The product of its digits is 31104, while the sum is 32.

Adding to 1331342321342 its reverse (2431232431331), we get a palindrome (3762574752673).

The spelling of 1331342321342 in words is "one trillion, three hundred thirty-one billion, three hundred forty-two million, three hundred twenty-one thousand, three hundred forty-two".