13132455531 has 8 divisors (see below), whose sum is σ = 18856859280. Its totient is φ = 8081511072.

The previous prime is 13132455527. The next prime is 13132455559. The reversal of 13132455531 is 13555423131.

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

It is not a de Polignac number, because 13132455531 - 2² = 13132455527 is a prime.

It is a super-2 number, since 2×13132455531² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13132455492 and 13132455501.

It is not an unprimeable number, because it can be changed into a prime (13132455571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168364776 + ... + 168364853.

It is an arithmetic number, because the mean of its divisors is an integer number (2357107410).

Almost surely, 2^13132455531 is an apocalyptic number.

13132455531 is a deficient number, since it is larger than the sum of its proper divisors (5724403749).

13132455531 is a wasteful number, since it uses less digits than its factorization.

13132455531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336729645.

The product of its digits is 27000, while the sum is 33.

Adding to 13132455531 its reverse (13555423131), we get a palindrome (26687878662).

The spelling of 13132455531 in words is "thirteen billion, one hundred thirty-two million, four hundred fifty-five thousand, five hundred thirty-one".