13122231311231 has 8 divisors (see below), whose sum is σ = 14999391964800. Its totient is φ = 11245709702808.

The previous prime is 13122231311209. The next prime is 13122231311257. The reversal of 13122231311231 is 13211313222131.

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

It is not a de Polignac number, because 13122231311231 - 2⁴² = 8724184800127 is a prime.

It is a super-2 number, since 2×13122231311231² (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 13122231311231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122231311261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159717281 + ... + 159799418.

It is an arithmetic number, because the mean of its divisors is an integer number (1874923995600).

Almost surely, 2^{13122231311231} is an apocalyptic number.

13122231311231 is a deficient number, since it is larger than the sum of its proper divisors (1877160653569).

13122231311231 is an equidigital number, since it uses as much as digits as its factorization.

13122231311231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319522573.

The product of its digits is 1296, while the sum is 26.

Adding to 13122231311231 its reverse (13211313222131), we get a palindrome (26333544533362).

The spelling of 13122231311231 in words is "thirteen trillion, one hundred twenty-two billion, two hundred thirty-one million, three hundred eleven thousand, two hundred thirty-one".