13032782531 has 8 divisors (see below), whose sum is σ = 13072767600. Its totient is φ = 12992827680.

The previous prime is 13032782501. The next prime is 13032782557. The reversal of 13032782531 is 13528723031.

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

It is a cyclic number.

It is not a de Polignac number, because 13032782531 - 2²⁶ = 12965673667 is a prime.

It is a super-2 number, since 2×13032782531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13032782491 and 13032782500.

It is not an unprimeable number, because it can be changed into a prime (13032782501) 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, 1096601 + ... + 1108421.

It is an arithmetic number, because the mean of its divisors is an integer number (1634095950).

Almost surely, 2^13032782531 is an apocalyptic number.

13032782531 is a deficient number, since it is larger than the sum of its proper divisors (39985069).

13032782531 is a wasteful number, since it uses less digits than its factorization.

13032782531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15109.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 13032782531 in words is "thirteen billion, thirty-two million, seven hundred eighty-two thousand, five hundred thirty-one".