13310431433240 has 128 divisors (see below), whose sum is σ = 30470601021120. Its totient is φ = 5231758540800.

The previous prime is 13310431433171. The next prime is 13310431433261. The reversal of 13310431433240 is 4233413401331.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13310431433197 and 13310431433206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2338031834 + ... + 2338037526.

Almost surely, 2^{13310431433240} is an apocalyptic number.

13310431433240 is a gapful number since it is divisible by the number (10) 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 13310431433240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15235300510560).

13310431433240 is an abundant number, since it is smaller than the sum of its proper divisors (17160169587880).

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

13310431433240 is a wasteful number, since it uses less digits than its factorization.

13310431433240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7773 (or 7769 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 13310431433240 its reverse (4233413401331), we get a palindrome (17543844834571).

The spelling of 13310431433240 in words is "thirteen trillion, three hundred ten billion, four hundred thirty-one million, four hundred thirty-three thousand, two hundred forty".