102330091 has 4 divisors (see below), whose sum is σ = 102350592. Its totient is φ = 102309592.

The previous prime is 102330079. The next prime is 102330103. The reversal of 102330091 is 190033201.

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

It is an interprime number because it is at equal distance from previous prime (102330079) and next prime (102330103).

It is a cyclic number.

It is not a de Polignac number, because 102330091 - 2²¹ = 100232939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102330031) 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, 2646 + ... + 14548.

It is an arithmetic number, because the mean of its divisors is an integer number (25587648).

Almost surely, 2^102330091 is an apocalyptic number.

102330091 is a deficient number, since it is larger than the sum of its proper divisors (20501).

102330091 is an equidigital number, since it uses as much as digits as its factorization.

102330091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20500.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 102330091 is about 10115.8336779526. The cubic root of 102330091 is about 467.7363476494.

Adding to 102330091 its reverse (190033201), we get a palindrome (292363292).

The spelling of 102330091 in words is "one hundred two million, three hundred thirty thousand, ninety-one".