13600432531 has 16 divisors (see below), whose sum is σ = 16460803584. Its totient is φ = 10969686144.

The previous prime is 13600432513. The next prime is 13600432537. The reversal of 13600432531 is 13523400631.

It is a cyclic number.

It is not a de Polignac number, because 13600432531 - 2⁹ = 13600432019 is a prime.

It is a super-2 number, since 2×13600432531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13600432531.

It is not an unprimeable number, because it can be changed into a prime (13600432537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1041066 + ... + 1054048.

It is an arithmetic number, because the mean of its divisors is an integer number (1028800224).

Almost surely, 2^13600432531 is an apocalyptic number.

13600432531 is a deficient number, since it is larger than the sum of its proper divisors (2860371053).

13600432531 is a wasteful number, since it uses less digits than its factorization.

13600432531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21810.

The product of its (nonzero) digits is 6480, while the sum is 28.

The spelling of 13600432531 in words is "thirteen billion, six hundred million, four hundred thirty-two thousand, five hundred thirty-one".