13203131664 has 40 divisors (see below), whose sum is σ = 34113050752. Its totient is φ = 4400403840.

The previous prime is 13203131647. The next prime is 13203131801. The reversal of 13203131664 is 46613130231.

13203131664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407817 + ... + 438999.

Almost surely, 2^13203131664 is an apocalyptic number.

It is an amenable number.

13203131664 is an abundant number, since it is smaller than the sum of its proper divisors (20909919088).

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

13203131664 is a wasteful number, since it uses less digits than its factorization.

13203131664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40015 (or 40009 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

Adding to 13203131664 its reverse (46613130231), we get a palindrome (59816261895).

The spelling of 13203131664 in words is "thirteen billion, two hundred three million, one hundred thirty-one thousand, six hundred sixty-four".