13031330032 has 40 divisors (see below), whose sum is σ = 29850098400. Its totient is φ = 5392273152.

The previous prime is 13031330029. The next prime is 13031330047. The reversal of 13031330032 is 23003313031.

It is a junction number, because it is equal to n+sod(n) for n = 13031329991 and 13031330009.

It is a congruent number.

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, 2002807 + ... + 2009302.

It is an arithmetic number, because the mean of its divisors is an integer number (746252460).

Almost surely, 2^13031330032 is an apocalyptic number.

It is an amenable number.

13031330032 is an abundant number, since it is smaller than the sum of its proper divisors (16818768368).

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

13031330032 is a wasteful number, since it uses less digits than its factorization.

13031330032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4012153 (or 4012147 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 13031330032 its reverse (23003313031), we get a palindrome (36034643063).

The spelling of 13031330032 in words is "thirteen billion, thirty-one million, three hundred thirty thousand, thirty-two".