1313203320331 has 8 divisors (see below), whose sum is σ = 1500875760384. Its totient is φ = 1125548871720.

The previous prime is 1313203320311. The next prime is 1313203320349. The reversal of 1313203320331 is 1330233023131.

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

It is not a de Polignac number, because 1313203320331 - 2²³ = 1313194931723 is a prime.

It is a super-2 number, since 2×1313203320331² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1313203320296 and 1313203320305.

It is not an unprimeable number, because it can be changed into a prime (1313203320311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4341085 + ... + 4633726.

It is an arithmetic number, because the mean of its divisors is an integer number (187609470048).

Almost surely, 2^{1313203320331} is an apocalyptic number.

1313203320331 is a deficient number, since it is larger than the sum of its proper divisors (187672440053).

1313203320331 is an equidigital number, since it uses as much as digits as its factorization.

1313203320331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8995721.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 1313203320331 its reverse (1330233023131), we get a palindrome (2643436343462).

The spelling of 1313203320331 in words is "one trillion, three hundred thirteen billion, two hundred three million, three hundred twenty thousand, three hundred thirty-one".