11321203032311 has 8 divisors (see below), whose sum is σ = 11719130658480. Its totient is φ = 10923778160512.

The previous prime is 11321203032257. The next prime is 11321203032319. The reversal of 11321203032311 is 11323030212311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11321203032311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321203032319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125642765 + ... + 125732838.

It is an arithmetic number, because the mean of its divisors is an integer number (1464891332310).

Almost surely, 2^{11321203032311} is an apocalyptic number.

11321203032311 is a deficient number, since it is larger than the sum of its proper divisors (397927626169).

11321203032311 is a wasteful number, since it uses less digits than its factorization.

11321203032311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251377185.

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

Adding to 11321203032311 its reverse (11323030212311), we get a palindrome (22644233244622).

The spelling of 11321203032311 in words is "eleven trillion, three hundred twenty-one billion, two hundred three million, thirty-two thousand, three hundred eleven".