13111220320302 has 32 divisors (see below), whose sum is σ = 28257527249280. Its totient is φ = 4031653667040.

The previous prime is 13111220320259. The next prime is 13111220320333. The reversal of 13111220320302 is 20302302211131.

13111220320302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53376052 + ... + 53621127.

It is an arithmetic number, because the mean of its divisors is an integer number (883047726540).

Almost surely, 2^{13111220320302} is an apocalyptic number.

13111220320302 is an abundant number, since it is smaller than the sum of its proper divisors (15146306928978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13111220320302 is a wasteful number, since it uses less digits than its factorization.

13111220320302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106998768.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13111220320302 its reverse (20302302211131), we get a palindrome (33413522531433).

The spelling of 13111220320302 in words is "thirteen trillion, one hundred eleven billion, two hundred twenty million, three hundred twenty thousand, three hundred two".