13131111302232 has 768 divisors, whose sum is σ = 44826487603200. Its totient is φ = 3111752417280.

The previous prime is 13131111302209. The next prime is 13131111302347. The reversal of 13131111302232 is 23220311113131.

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 191 ways as a sum of consecutive naturals, for example, 2685845644 + ... + 2685850532.

It is an arithmetic number, because the mean of its divisors is an integer number (58367822400).

Almost surely, 2^{13131111302232} is an apocalyptic number.

13131111302232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13131111302232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22413243801600).

13131111302232 is an abundant number, since it is smaller than the sum of its proper divisors (31695376300968).

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

13131111302232 is a wasteful number, since it uses less digits than its factorization.

13131111302232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5104 (or 5083 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 13131111302232 its reverse (23220311113131), we get a palindrome (36351422415363).

The spelling of 13131111302232 in words is "thirteen trillion, one hundred thirty-one billion, one hundred eleven million, three hundred two thousand, two hundred thirty-two".