13531311632 has 20 divisors (see below), whose sum is σ = 26231977296. Its totient is φ = 6761769120.

The previous prime is 13531311623. The next prime is 13531311649. The reversal of 13531311632 is 23611313531.

It is a junction number, because it is equal to n+sod(n) for n = 13531311595 and 13531311604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214094 + ... + 269997.

Almost surely, 2^13531311632 is an apocalyptic number.

It is an amenable number.

13531311632 is a deficient number, since it is larger than the sum of its proper divisors (12700665664).

13531311632 is a wasteful number, since it uses less digits than its factorization.

13531311632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485846 (or 485840 counting only the distinct ones).

The product of its digits is 4860, while the sum is 29.

The spelling of 13531311632 in words is "thirteen billion, five hundred thirty-one million, three hundred eleven thousand, six hundred thirty-two".