13515031132 has 12 divisors (see below), whose sum is σ = 24896110120. Its totient is φ = 6401856816.

The previous prime is 13515031109. The next prime is 13515031133. The reversal of 13515031132 is 23113051531.

It is a junction number, because it is equal to n+sod(n) for n = 13515031097 and 13515031106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13515031133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88914603 + ... + 88914754.

Almost surely, 2^13515031132 is an apocalyptic number.

It is an amenable number.

13515031132 is a deficient number, since it is larger than the sum of its proper divisors (11381078988).

13515031132 is a wasteful number, since it uses less digits than its factorization.

13515031132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177829380 (or 177829378 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 25.

Adding to 13515031132 its reverse (23113051531), we get a palindrome (36628082663).

The spelling of 13515031132 in words is "thirteen billion, five hundred fifteen million, thirty-one thousand, one hundred thirty-two".