13201021311 has 8 divisors (see below), whose sum is σ = 17603517360. Its totient is φ = 8799603072.

The previous prime is 13201021303. The next prime is 13201021313. The reversal of 13201021311 is 11312010231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13201021311 - 2³ = 13201021303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13201021313) 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, 240426 + ... + 290183.

It is an arithmetic number, because the mean of its divisors is an integer number (2200439670).

Almost surely, 2^13201021311 is an apocalyptic number.

13201021311 is a deficient number, since it is larger than the sum of its proper divisors (4402496049).

13201021311 is an equidigital number, since it uses as much as digits as its factorization.

13201021311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538905.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 13201021311 its reverse (11312010231), we get a palindrome (24513031542).

The spelling of 13201021311 in words is "thirteen billion, two hundred one million, twenty-one thousand, three hundred eleven".