13203331031312 has 10 divisors (see below), whose sum is σ = 25581453873198. Its totient is φ = 6601665515648.

The previous prime is 13203331031281. The next prime is 13203331031389. The reversal of 13203331031312 is 21313013330231.

It can be written as a sum of positive squares in only one way, i.e., 11851329515776 + 1352001515536 = 3442576^2 + 1162756^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412604094713 + ... + 412604094744.

Almost surely, 2^{13203331031312} is an apocalyptic number.

It is an amenable number.

13203331031312 is a deficient number, since it is larger than the sum of its proper divisors (12378122841886).

13203331031312 is an equidigital number, since it uses as much as digits as its factorization.

13203331031312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825208189465 (or 825208189459 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 13203331031312 its reverse (21313013330231), we get a palindrome (34516344361543).

The spelling of 13203331031312 in words is "thirteen trillion, two hundred three billion, three hundred thirty-one million, thirty-one thousand, three hundred twelve".