13112102311321 has 12 divisors (see below), whose sum is σ = 14198457527532. Its totient is φ = 12103354975296.

The previous prime is 13112102311307. The next prime is 13112102311417. The reversal of 13112102311321 is 12311320121131.

It can be written as a sum of positive squares in 6 ways, for example, as 8297856360000 + 4814245951321 = 2880600^2 + 2194139^2 .

It is not a de Polignac number, because 13112102311321 - 2²³ = 13112093922713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13112102311292 and 13112102311301.

It is not an unprimeable number, because it can be changed into a prime (13112106311321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18897675 + ... + 19579231.

It is an arithmetic number, because the mean of its divisors is an integer number (1183204793961).

Almost surely, 2^{13112102311321} is an apocalyptic number.

It is an amenable number.

13112102311321 is a deficient number, since it is larger than the sum of its proper divisors (1086355216211).

13112102311321 is a wasteful number, since it uses less digits than its factorization.

13112102311321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795420 (or 795407 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 13112102311321 its reverse (12311320121131), we get a palindrome (25423422432452).

The spelling of 13112102311321 in words is "thirteen trillion, one hundred twelve billion, one hundred two million, three hundred eleven thousand, three hundred twenty-one".