13531352043 has 8 divisors (see below), whose sum is σ = 19681966656. Its totient is φ = 8200819400.

The previous prime is 13531352039. The next prime is 13531352047. The reversal of 13531352043 is 34025313531.

It is an interprime number because it is at equal distance from previous prime (13531352039) and next prime (13531352047).

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 13531352043 - 2² = 13531352039 is a prime.

It is a super-2 number, since 2×13531352043² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13531352043.

It is not an unprimeable number, because it can be changed into a prime (13531352047) 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, 205020453 + ... + 205020518.

It is an arithmetic number, because the mean of its divisors is an integer number (2460245832).

Almost surely, 2^13531352043 is an apocalyptic number.

13531352043 is a deficient number, since it is larger than the sum of its proper divisors (6150614613).

13531352043 is a wasteful number, since it uses less digits than its factorization.

13531352043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410040985.

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 13531352043 its reverse (34025313531), we get a palindrome (47556665574).

The spelling of 13531352043 in words is "thirteen billion, five hundred thirty-one million, three hundred fifty-two thousand, forty-three".