13143033311240 has 128 divisors (see below), whose sum is σ = 34792244409600. Its totient is φ = 4373978434560.

The previous prime is 13143033311237. The next prime is 13143033311297. The reversal of 13143033311240 is 4211333034131.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2854871 + ... + 5868249.

It is an arithmetic number, because the mean of its divisors is an integer number (271814409450).

Almost surely, 2^{13143033311240} is an apocalyptic number.

13143033311240 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 13143033311240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17396122204800).

13143033311240 is an abundant number, since it is smaller than the sum of its proper divisors (21649211098360).

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

13143033311240 is a wasteful number, since it uses less digits than its factorization.

13143033311240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3013855 (or 3013851 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 13143033311240 its reverse (4211333034131), we get a palindrome (17354366345371).

The spelling of 13143033311240 in words is "thirteen trillion, one hundred forty-three billion, thirty-three million, three hundred eleven thousand, two hundred forty".