13315531535 has 8 divisors (see below), whose sum is σ = 16104454656. Its totient is φ = 10568547360.

The previous prime is 13315531529. The next prime is 13315531633. The reversal of 13315531535 is 53513551331.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-13315531535 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13315531495 and 13315531504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10484036 + ... + 10485305.

It is an arithmetic number, because the mean of its divisors is an integer number (2013056832).

Almost surely, 2^13315531535 is an apocalyptic number.

13315531535 is a deficient number, since it is larger than the sum of its proper divisors (2788923121).

13315531535 is a wasteful number, since it uses less digits than its factorization.

13315531535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20969473.

The product of its digits is 50625, while the sum is 35.

The spelling of 13315531535 in words is "thirteen billion, three hundred fifteen million, five hundred thirty-one thousand, five hundred thirty-five".