110313312131321 has 4 divisors (see below), whose sum is σ = 118798951526052. Its totient is φ = 101827672736592.

The previous prime is 110313312131299. The next prime is 110313312131369. The reversal of 110313312131321 is 123131213313011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24822207231721 + 85491104899600 = 4982189^2 + 9246140^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110313312131321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110313312131521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4242819697346 + ... + 4242819697371.

It is an arithmetic number, because the mean of its divisors is an integer number (29699737881513).

Almost surely, 2^{110313312131321} is an apocalyptic number.

It is an amenable number.

110313312131321 is a deficient number, since it is larger than the sum of its proper divisors (8485639394731).

110313312131321 is an equidigital number, since it uses as much as digits as its factorization.

110313312131321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8485639394730.

The product of its (nonzero) digits is 972, while the sum is 26.

Adding to 110313312131321 its reverse (123131213313011), we get a palindrome (233444525444332).

The spelling of 110313312131321 in words is "one hundred ten trillion, three hundred thirteen billion, three hundred twelve million, one hundred thirty-one thousand, three hundred twenty-one".