13031130322432 has 80 divisors (see below), whose sum is σ = 27290683284480. Its totient is φ = 6204331026432.

The previous prime is 13031130322393. The next prime is 13031130322439. The reversal of 13031130322432 is 23422303113031.

It is a self number, because there is not a number n which added to its sum of digits gives 13031130322432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031130322439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144919 + ... + 5107177.

It is an arithmetic number, because the mean of its divisors is an integer number (341133541056).

Almost surely, 2^{13031130322432} 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 13031130322432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13645341642240).

13031130322432 is an abundant number, since it is smaller than the sum of its proper divisors (14259552962048).

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

13031130322432 is an equidigital number, since it uses as much as digits as its factorization.

13031130322432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4962523 (or 4962507 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 13031130322432 its reverse (23422303113031), we get a palindrome (36453433435463).

The spelling of 13031130322432 in words is "thirteen trillion, thirty-one billion, one hundred thirty million, three hundred twenty-two thousand, four hundred thirty-two".