102330331091 has 2 divisors, whose sum is σ = 102330331092. Its totient is φ = 102330331090.

The previous prime is 102330331079. The next prime is 102330331109. The reversal of 102330331091 is 190133033201.

Together with next prime (102330331109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (190133033201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102330331091 - 2⁶ = 102330331027 is a prime.

It is a super-2 number, since 2×102330331091² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102330331091.

It is not a weakly prime, because it can be changed into another prime (102330331001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51165165545 + 51165165546.

It is an arithmetic number, because the mean of its divisors is an integer number (51165165546).

Almost surely, 2^102330331091 is an apocalyptic number.

102330331091 is a deficient number, since it is larger than the sum of its proper divisors (1).

102330331091 is an equidigital number, since it uses as much as digits as its factorization.

102330331091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 26.

Adding to 102330331091 its reverse (190133033201), we get a palindrome (292463364292).

The spelling of 102330331091 in words is "one hundred two billion, three hundred thirty million, three hundred thirty-one thousand, ninety-one".