13431130531050 has 96 divisors (see below), whose sum is σ = 33782113342080. Its totient is φ = 3530795564800.

The previous prime is 13431130531037. The next prime is 13431130531051. The reversal of 13431130531050 is 5013503113431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 13431130530999 and 13431130531017.

It is not an unprimeable number, because it can be changed into a prime (13431130531051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 102483364 + ... + 102614336.

It is an arithmetic number, because the mean of its divisors is an integer number (351897013980).

Almost surely, 2^{13431130531050} is an apocalyptic number.

13431130531050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13431130531050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16891056671040).

13431130531050 is an abundant number, since it is smaller than the sum of its proper divisors (20350982811030).

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

13431130531050 is a wasteful number, since it uses less digits than its factorization.

13431130531050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140688 (or 140683 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 30.

Adding to 13431130531050 its reverse (5013503113431), we get a palindrome (18444633644481).

The spelling of 13431130531050 in words is "thirteen trillion, four hundred thirty-one billion, one hundred thirty million, five hundred thirty-one thousand, fifty".