13311231132320 has 96 divisors (see below), whose sum is σ = 35489661822720. Its totient is φ = 4673535677440.

The previous prime is 13311231132293. The next prime is 13311231132371. The reversal of 13311231132320 is 2323113211331.

It is a self number, because there is not a number n which added to its sum of digits gives 13311231132320.

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, 130348952 + ... + 130451031.

It is an arithmetic number, because the mean of its divisors is an integer number (369683977320).

Almost surely, 2^{13311231132320} is an apocalyptic number.

13311231132320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13311231132320 is an abundant number, since it is smaller than the sum of its proper divisors (22178430690400).

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

13311231132320 is a wasteful number, since it uses less digits than its factorization.

13311231132320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260800038 (or 260800030 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 13311231132320 its reverse (2323113211331), we get a palindrome (15634344343651).

The spelling of 13311231132320 in words is "thirteen trillion, three hundred eleven billion, two hundred thirty-one million, one hundred thirty-two thousand, three hundred twenty".