13231123210320 has 80 divisors (see below), whose sum is σ = 41132676215232. Its totient is φ = 3518304317440.

The previous prime is 13231123210313. The next prime is 13231123210439. The reversal of 13231123210320 is 2301232113231.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 78002646 + ... + 78172085.

Almost surely, 2^{13231123210320} is an apocalyptic number.

13231123210320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13231123210320 is an abundant number, since it is smaller than the sum of its proper divisors (27901553004912).

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

13231123210320 is a wasteful number, since it uses less digits than its factorization.

13231123210320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156175100 (or 156175094 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 13231123210320 its reverse (2301232113231), we get a palindrome (15532355323551).

The spelling of 13231123210320 in words is "thirteen trillion, two hundred thirty-one billion, one hundred twenty-three million, two hundred ten thousand, three hundred twenty".