13320531032 has 64 divisors (see below), whose sum is σ = 25892006400. Its totient is φ = 6421789440.

The previous prime is 13320531031. The next prime is 13320531089. The reversal of 13320531032 is 23013502331.

It is a junction number, because it is equal to n+sod(n) for n = 13320530989 and 13320531007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13320531031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4912157 + ... + 4914867.

It is an arithmetic number, because the mean of its divisors is an integer number (404562600).

Almost surely, 2^13320531032 is an apocalyptic number.

It is an amenable number.

13320531032 is a deficient number, since it is larger than the sum of its proper divisors (12571475368).

13320531032 is a wasteful number, since it uses less digits than its factorization.

13320531032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976 (or 2972 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 23.

The spelling of 13320531032 in words is "thirteen billion, three hundred twenty million, five hundred thirty-one thousand, thirty-two".