13213222231231 has 64 divisors (see below), whose sum is σ = 16472678400000. Its totient is φ = 10444030502400.

The previous prime is 13213222231213. The next prime is 13213222231259.

13213222231231 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 13213222231231 - 2⁷ = 13213222231103 is a prime.

It is a super-2 number, since 2×13213222231231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13213222231231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213222231211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 66432870 + ... + 66631468.

It is an arithmetic number, because the mean of its divisors is an integer number (257385600000).

Almost surely, 2^{13213222231231} is an apocalyptic number.

13213222231231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13213222231231 is a deficient number, since it is larger than the sum of its proper divisors (3259456168769).

13213222231231 is a wasteful number, since it uses less digits than its factorization.

13213222231231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199180.

The product of its digits is 5184, while the sum is 28.

It can be divided in two parts, 1321322 and 2231231, that added together give a palindrome (3552553).

The spelling of 13213222231231 in words is "thirteen trillion, two hundred thirteen billion, two hundred twenty-two million, two hundred thirty-one thousand, two hundred thirty-one".