13111031211303 has 16 divisors (see below), whose sum is σ = 17554943439360. Its totient is φ = 8703904999104.

The previous prime is 13111031211281. The next prime is 13111031211347. The reversal of 13111031211303 is 30311213011131.

It is not a de Polignac number, because 13111031211303 - 2¹³ = 13111031203111 is a prime.

It is a super-2 number, since 2×13111031211303² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13111031211303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111031211353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32893600 + ... + 33289802.

It is an arithmetic number, because the mean of its divisors is an integer number (1097183964960).

Almost surely, 2^{13111031211303} is an apocalyptic number.

13111031211303 is a deficient number, since it is larger than the sum of its proper divisors (4443912228057).

13111031211303 is a wasteful number, since it uses less digits than its factorization.

13111031211303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442598.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 13111031211303 its reverse (30311213011131), we get a palindrome (43422244222434).

The spelling of 13111031211303 in words is "thirteen trillion, one hundred eleven billion, thirty-one million, two hundred eleven thousand, three hundred three".