13031232311424 has 256 divisors, whose sum is σ = 36385407360000. Its totient is φ = 4124297785344.

The previous prime is 13031232311423. The next prime is 13031232311429. The reversal of 13031232311424 is 42411323213031.

It is a junction number, because it is equal to n+sod(n) for n = 13031232311391 and 13031232311400.

It is not an unprimeable number, because it can be changed into a prime (13031232311423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3235963299 + ... + 3235967325.

It is an arithmetic number, because the mean of its divisors is an integer number (142130497500).

Almost surely, 2^{13031232311424} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13031232311424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18192703680000).

13031232311424 is an abundant number, since it is smaller than the sum of its proper divisors (23354175048576).

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

13031232311424 is a wasteful number, since it uses less digits than its factorization.

13031232311424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6675 (or 6663 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 13031232311424 its reverse (42411323213031), we get a palindrome (55442555524455).

The spelling of 13031232311424 in words is "thirteen trillion, thirty-one billion, two hundred thirty-two million, three hundred eleven thousand, four hundred twenty-four".