13431130032 has 40 divisors (see below), whose sum is σ = 34743014896. Its totient is φ = 4471117056.

The previous prime is 13431130019. The next prime is 13431130049. The reversal of 13431130032 is 23003113431.

It is a junction number, because it is equal to n+sod(n) for n = 13431129990 and 13431130008.

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, 148483 + ... + 221154.

Almost surely, 2^13431130032 is an apocalyptic number.

13431130032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13431130032 is an abundant number, since it is smaller than the sum of its proper divisors (21311884864).

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

13431130032 is a wasteful number, since it uses less digits than its factorization.

13431130032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370405 (or 370399 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13431130032 its reverse (23003113431), we get a palindrome (36434243463).

The spelling of 13431130032 in words is "thirteen billion, four hundred thirty-one million, one hundred thirty thousand, thirty-two".