13531053043 has 4 divisors (see below), whose sum is σ = 13716410008. Its totient is φ = 13345696080.

The previous prime is 13531053023. The next prime is 13531053061. The reversal of 13531053043 is 34035013531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34035013531 = 23 ⋅1479783197.

It is a cyclic number.

It is not a de Polignac number, because 13531053043 - 2⁹ = 13531052531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13531053023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92678373 + ... + 92678518.

It is an arithmetic number, because the mean of its divisors is an integer number (3429102502).

Almost surely, 2^13531053043 is an apocalyptic number.

13531053043 is a deficient number, since it is larger than the sum of its proper divisors (185356965).

13531053043 is an equidigital number, since it uses as much as digits as its factorization.

13531053043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185356964.

The product of its (nonzero) digits is 8100, while the sum is 28.

Adding to 13531053043 its reverse (34035013531), we get a palindrome (47566066574).

The spelling of 13531053043 in words is "thirteen billion, five hundred thirty-one million, fifty-three thousand, forty-three".