13031134004 has 48 divisors (see below), whose sum is σ = 26968233600. Its totient is φ = 5393558016.

The previous prime is 13031134001. The next prime is 13031134013. The reversal of 13031134004 is 40043113031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031134001) 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, 46352 + ... + 167960.

It is an arithmetic number, because the mean of its divisors is an integer number (561838200).

Almost surely, 2^13031134004 is an apocalyptic number.

13031134004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13031134004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13484116800).

13031134004 is an abundant number, since it is smaller than the sum of its proper divisors (13937099596).

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

13031134004 is a wasteful number, since it uses less digits than its factorization.

13031134004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121752 (or 121750 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13031134004 its reverse (40043113031), we get a palindrome (53074247035).

The spelling of 13031134004 in words is "thirteen billion, thirty-one million, one hundred thirty-four thousand, four".