13031035034240 has 128 divisors (see below), whose sum is σ = 31672365984000. Its totient is φ = 5125925376000.

The previous prime is 13031035034233. The next prime is 13031035034261. The reversal of 13031035034240 is 4243053013031.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12177146 + ... + 13203974.

It is an arithmetic number, because the mean of its divisors is an integer number (247440359250).

Almost surely, 2^{13031035034240} is an apocalyptic number.

13031035034240 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 13031035034240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15836182992000).

13031035034240 is an abundant number, since it is smaller than the sum of its proper divisors (18641330949760).

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

13031035034240 is a wasteful number, since it uses less digits than its factorization.

13031035034240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027178 (or 1027166 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 13031035034240 its reverse (4243053013031), we get a palindrome (17274088047271).

The spelling of 13031035034240 in words is "thirteen trillion, thirty-one billion, thirty-five million, thirty-four thousand, two hundred forty".