1313203313424 has 80 divisors (see below), whose sum is σ = 3458394273600. Its totient is φ = 429233745408.

The previous prime is 1313203313423. The next prime is 1313203313483. The reversal of 1313203313424 is 4243133023131.

It is a super-3 number, since 3×1313203313424³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1313203313391 and 1313203313400.

It is not an unprimeable number, because it can be changed into a prime (1313203313423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4406947 + ... + 4695485.

It is an arithmetic number, because the mean of its divisors is an integer number (43229928420).

Almost surely, 2^{1313203313424} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313203313424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1729197136800).

1313203313424 is an abundant number, since it is smaller than the sum of its proper divisors (2145190960176).

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

1313203313424 is a wasteful number, since it uses less digits than its factorization.

1313203313424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290392 (or 290386 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 1313203313424 its reverse (4243133023131), we get a palindrome (5556336336555).

The spelling of 1313203313424 in words is "one trillion, three hundred thirteen billion, two hundred three million, three hundred thirteen thousand, four hundred twenty-four".