13111033302320 has 20 divisors (see below), whose sum is σ = 30483152428080. Its totient is φ = 5244413320896.

The previous prime is 13111033302313. The next prime is 13111033302329. The reversal of 13111033302320 is 2320333011131.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (13111033302329) 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, 81943958060 + ... + 81943958219.

It is an arithmetic number, because the mean of its divisors is an integer number (1524157621404).

Almost surely, 2^{13111033302320} is an apocalyptic number.

13111033302320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13111033302320 is an abundant number, since it is smaller than the sum of its proper divisors (17372119125760).

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

13111033302320 is a wasteful number, since it uses less digits than its factorization.

13111033302320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163887916292 (or 163887916286 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 13111033302320 its reverse (2320333011131), we get a palindrome (15431366313451).

The spelling of 13111033302320 in words is "thirteen trillion, one hundred eleven billion, thirty-three million, three hundred two thousand, three hundred twenty".