13231213021311 has 16 divisors (see below), whose sum is σ = 17649407961600. Its totient is φ = 8816913903168.

The previous prime is 13231213021297. The next prime is 13231213021343. The reversal of 13231213021311 is 11312031213231.

It is not a de Polignac number, because 13231213021311 - 2¹⁰ = 13231213020287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231213021511) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 116231820 + ... + 116345598.

It is an arithmetic number, because the mean of its divisors is an integer number (1103087997600).

Almost surely, 2^{13231213021311} is an apocalyptic number.

13231213021311 is a deficient number, since it is larger than the sum of its proper divisors (4418194940289).

13231213021311 is a wasteful number, since it uses less digits than its factorization.

13231213021311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130558.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 13231213021311 its reverse (11312031213231), we get a palindrome (24543244234542).

The spelling of 13231213021311 in words is "thirteen trillion, two hundred thirty-one billion, two hundred thirteen million, twenty-one thousand, three hundred eleven".