13531321132 has 24 divisors (see below), whose sum is σ = 27341644064. Its totient is φ = 5739351552.

The previous prime is 13531321127. The next prime is 13531321147. The reversal of 13531321132 is 23112313531.

It is a super-2 number, since 2×13531321132² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13531321097 and 13531321106.

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, 2488323 + ... + 2493754.

Almost surely, 2^13531321132 is an apocalyptic number.

It is an amenable number.

13531321132 is an abundant number, since it is smaller than the sum of its proper divisors (13810322932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13531321132 is a wasteful number, since it uses less digits than its factorization.

13531321132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4982185 (or 4982183 counting only the distinct ones).

The product of its digits is 1620, while the sum is 25.

Adding to 13531321132 its reverse (23112313531), we get a palindrome (36643634663).

The spelling of 13531321132 in words is "thirteen billion, five hundred thirty-one million, three hundred twenty-one thousand, one hundred thirty-two".