1313011201003 has 4 divisors (see below), whose sum is σ = 1317751313920. Its totient is φ = 1308271088088.

The previous prime is 1313011200979. The next prime is 1313011201009. The reversal of 1313011201003 is 3001021103131.

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

It is a cyclic number.

It is not a de Polignac number, because 1313011201003 - 2¹³ = 1313011192811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313011201009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2370056043 + ... + 2370056596.

It is an arithmetic number, because the mean of its divisors is an integer number (329437828480).

Almost surely, 2^{1313011201003} is an apocalyptic number.

1313011201003 is a deficient number, since it is larger than the sum of its proper divisors (4740112917).

1313011201003 is an equidigital number, since it uses as much as digits as its factorization.

1313011201003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4740112916.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1313011201003 its reverse (3001021103131), we get a palindrome (4314032304134).

The spelling of 1313011201003 in words is "one trillion, three hundred thirteen billion, eleven million, two hundred one thousand, three".