13013113432 has 48 divisors (see below), whose sum is σ = 26896063320. Its totient is φ = 5898140160.

The previous prime is 13013113423. The next prime is 13013113447. The reversal of 13013113432 is 23431131031.

It is a super-2 number, since 2×13013113432² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 322663 + ... + 360745.

Almost surely, 2^13013113432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13013113432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13448031660).

13013113432 is an abundant number, since it is smaller than the sum of its proper divisors (13882949888).

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

13013113432 is a wasteful number, since it uses less digits than its factorization.

13013113432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38464 (or 38449 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 13013113432 its reverse (23431131031), we get a palindrome (36444244463).

The spelling of 13013113432 in words is "thirteen billion, thirteen million, one hundred thirteen thousand, four hundred thirty-two".