11312013303 has 6 divisors (see below), whose sum is σ = 16339574784. Its totient is φ = 7541342196.

The previous prime is 11312013281. The next prime is 11312013347. The reversal of 11312013303 is 30331021311.

It is a happy number.

11312013303 is a `hidden beast` number, since 1 + 131 + 201 + 330 + 3 = 666.

It is not a de Polignac number, because 11312013303 - 2⁸ = 11312013047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312013353) 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 5 ways as a sum of consecutive naturals, for example, 628445175 + ... + 628445192.

It is an arithmetic number, because the mean of its divisors is an integer number (2723262464).

Almost surely, 2^11312013303 is an apocalyptic number.

11312013303 is a deficient number, since it is larger than the sum of its proper divisors (5027561481).

11312013303 is a wasteful number, since it uses less digits than its factorization.

11312013303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256890373 (or 1256890370 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 11312013303 its reverse (30331021311), we get a palindrome (41643034614).

The spelling of 11312013303 in words is "eleven billion, three hundred twelve million, thirteen thousand, three hundred three".