11131203401303 has 4 divisors (see below), whose sum is σ = 11133879818880. Its totient is φ = 11128526983728.

The previous prime is 11131203401293. The next prime is 11131203401309. The reversal of 11131203401303 is 30310430213111.

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 11131203401303 - 2⁸ = 11131203401047 is a prime.

It is a super-2 number, since 2×11131203401303² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131203401309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1338202550 + ... + 1338210867.

It is an arithmetic number, because the mean of its divisors is an integer number (2783469954720).

Almost surely, 2^{11131203401303} is an apocalyptic number.

11131203401303 is a deficient number, since it is larger than the sum of its proper divisors (2676417577).

11131203401303 is an equidigital number, since it uses as much as digits as its factorization.

11131203401303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2676417576.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 11131203401303 its reverse (30310430213111), we get a palindrome (41441633614414).

The spelling of 11131203401303 in words is "eleven trillion, one hundred thirty-one billion, two hundred three million, four hundred one thousand, three hundred three".