2102320113331 has 2 divisors, whose sum is σ = 2102320113332. Its totient is φ = 2102320113330.

The previous prime is 2102320113227. The next prime is 2102320113353. The reversal of 2102320113331 is 1333110232012.

It is an a-pointer prime, because the next prime (2102320113353) can be obtained adding 2102320113331 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102320113331 is a prime.

It is a super-3 number, since 3×2102320113331³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (2102320113371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051160056665 + 1051160056666.

It is an arithmetic number, because the mean of its divisors is an integer number (1051160056666).

Almost surely, 2^{2102320113331} is an apocalyptic number.

2102320113331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102320113331 is an equidigital number, since it uses as much as digits as its factorization.

2102320113331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2102320113331 its reverse (1333110232012), we get a palindrome (3435430345343).

The spelling of 2102320113331 in words is "two trillion, one hundred two billion, three hundred twenty million, one hundred thirteen thousand, three hundred thirty-one".