102232313311321 has 4 divisors (see below), whose sum is σ = 105757565494500. Its totient is φ = 98707061128144.

The previous prime is 102232313311313. The next prime is 102232313311393. The reversal of 102232313311321 is 123113313232201.

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 49561529600025 + 52670783711296 = 7039995^2 + 7257464^2 .

It is a cyclic number.

It is not a de Polignac number, because 102232313311321 - 2³ = 102232313311313 is a prime.

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 102232313311321.

It is not an unprimeable number, because it can be changed into a prime (102232313311421) 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 3 ways as a sum of consecutive naturals, for example, 1762626091546 + ... + 1762626091603.

It is an arithmetic number, because the mean of its divisors is an integer number (26439391373625).

Almost surely, 2^{102232313311321} is an apocalyptic number.

It is an amenable number.

102232313311321 is a deficient number, since it is larger than the sum of its proper divisors (3525252183179).

102232313311321 is an equidigital number, since it uses as much as digits as its factorization.

102232313311321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3525252183178.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 102232313311321 its reverse (123113313232201), we get a palindrome (225345626543522).

The spelling of 102232313311321 in words is "one hundred two trillion, two hundred thirty-two billion, three hundred thirteen million, three hundred eleven thousand, three hundred twenty-one".