13231310334 has 64 divisors (see below), whose sum is σ = 29838246912. Its totient is φ = 3876163200.

The previous prime is 13231310299. The next prime is 13231310357. The reversal of 13231310334 is 43301313231.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 366139 + ... + 400649.

It is an arithmetic number, because the mean of its divisors is an integer number (466222608).

Almost surely, 2^13231310334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13231310334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14919123456).

13231310334 is an abundant number, since it is smaller than the sum of its proper divisors (16606936578).

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

13231310334 is a wasteful number, since it uses less digits than its factorization.

13231310334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34721.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 13231310334 its reverse (43301313231), we get a palindrome (56532623565).

The spelling of 13231310334 in words is "thirteen billion, two hundred thirty-one million, three hundred ten thousand, three hundred thirty-four".