13531343425 has 12 divisors (see below), whose sum is σ = 16842672000. Its totient is φ = 10783909520.

The previous prime is 13531343393. The next prime is 13531343431. The reversal of 13531343425 is 52434313531.

It is not a de Polignac number, because 13531343425 - 2⁵ = 13531343393 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1022425 + ... + 1035574.

It is an arithmetic number, because the mean of its divisors is an integer number (1403556000).

Almost surely, 2^13531343425 is an apocalyptic number.

It is an amenable number.

13531343425 is a deficient number, since it is larger than the sum of its proper divisors (3311328575).

13531343425 is a wasteful number, since it uses less digits than its factorization.

13531343425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058272 (or 2058267 counting only the distinct ones).

The product of its digits is 64800, while the sum is 34.

Adding to 13531343425 its reverse (52434313531), we get a palindrome (65965656956).

The spelling of 13531343425 in words is "thirteen billion, five hundred thirty-one million, three hundred forty-three thousand, four hundred twenty-five".