13031211333320 has 32 divisors (see below), whose sum is σ = 29323202757120. Its totient is φ = 5211955243200.

The previous prime is 13031211333307. The next prime is 13031211333323. The reversal of 13031211333320 is 2333311213031.

13031211333320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13031211333320² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13031211333320.

It is not an unprimeable number, because it can be changed into a prime (13031211333323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16141352 + ... + 16929431.

It is an arithmetic number, because the mean of its divisors is an integer number (916350086160).

Almost surely, 2^{13031211333320} is an apocalyptic number.

13031211333320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13031211333320 is an abundant number, since it is smaller than the sum of its proper divisors (16291991423800).

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

13031211333320 is a wasteful number, since it uses less digits than its factorization.

13031211333320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33080645 (or 33080641 counting only the distinct ones).

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

Adding to 13031211333320 its reverse (2333311213031), we get a palindrome (15364522546351).

The spelling of 13031211333320 in words is "thirteen trillion, thirty-one billion, two hundred eleven million, three hundred thirty-three thousand, three hundred twenty".