13531245043 has 8 divisors (see below), whose sum is σ = 13614869520. Its totient is φ = 13447831680.

The previous prime is 13531245011. The next prime is 13531245073. The reversal of 13531245043 is 34054213531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13531245043 - 2⁵ = 13531245011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13531244996 and 13531245014.

It is not an unprimeable number, because it can be changed into a prime (13531245073) 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, 76783 + ... + 181543.

It is an arithmetic number, because the mean of its divisors is an integer number (1701858690).

Almost surely, 2^13531245043 is an apocalyptic number.

13531245043 is a deficient number, since it is larger than the sum of its proper divisors (83624477).

13531245043 is a wasteful number, since it uses less digits than its factorization.

13531245043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105557.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 13531245043 its reverse (34054213531), we get a palindrome (47585458574).

The spelling of 13531245043 in words is "thirteen billion, five hundred thirty-one million, two hundred forty-five thousand, forty-three".