1313203313101 has 4 divisors (see below), whose sum is σ = 1326205326204. Its totient is φ = 1300201300000.

The previous prime is 1313203313099. The next prime is 1313203313117. The reversal of 1313203313101 is 1013133023131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1260794368201 + 52408944900 = 1122851^2 + 228930^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313203313101 - 2¹ = 1313203313099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313203313501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6501006400 + ... + 6501006601.

It is an arithmetic number, because the mean of its divisors is an integer number (331551331551).

Almost surely, 2^{1313203313101} is an apocalyptic number.

It is an amenable number.

1313203313101 is a deficient number, since it is larger than the sum of its proper divisors (13002013103).

1313203313101 is a wasteful number, since it uses less digits than its factorization.

1313203313101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13002013102.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 1313203313101 its reverse (1013133023131), we get a palindrome (2326336336232).

The spelling of 1313203313101 in words is "one trillion, three hundred thirteen billion, two hundred three million, three hundred thirteen thousand, one hundred one".