1313402121326 has 8 divisors (see below), whose sum is σ = 1984483497600. Its totient is φ = 651907622128.

The previous prime is 1313402121319. The next prime is 1313402121331. The reversal of 1313402121326 is 6231212043131.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2396718926 + ... + 2396719473.

It is an arithmetic number, because the mean of its divisors is an integer number (248060437200).

Almost surely, 2^{1313402121326} is an apocalyptic number.

1313402121326 is a deficient number, since it is larger than the sum of its proper divisors (671081376274).

1313402121326 is a wasteful number, since it uses less digits than its factorization.

1313402121326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4793438538.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 1313402121326 its reverse (6231212043131), we get a palindrome (7544614164457).

The spelling of 1313402121326 in words is "one trillion, three hundred thirteen billion, four hundred two million, one hundred twenty-one thousand, three hundred twenty-six".