11311320201003 has 24 divisors (see below), whose sum is σ = 16429949153280. Its totient is φ = 7498734859440.

The previous prime is 11311320200989. The next prime is 11311320201031. The reversal of 11311320201003 is 30010202311311.

11311320201003 is a `hidden beast` number, since 1 + 1 + 311 + 320 + 20 + 10 + 0 + 3 = 666.

It is not a de Polignac number, because 11311320201003 - 2⁴ = 11311320200987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11311320201043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3678750 + ... + 6012972.

It is an arithmetic number, because the mean of its divisors is an integer number (684581214720).

Almost surely, 2^{11311320201003} is an apocalyptic number.

11311320201003 is a deficient number, since it is larger than the sum of its proper divisors (5118628952277).

11311320201003 is a wasteful number, since it uses less digits than its factorization.

11311320201003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337239 (or 2337236 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11311320201003 its reverse (30010202311311), we get a palindrome (41321522512314).

The spelling of 11311320201003 in words is "eleven trillion, three hundred eleven billion, three hundred twenty million, two hundred one thousand, three".