109313819 has 4 divisors (see below), whose sum is σ = 109406040. Its totient is φ = 109221600.

The previous prime is 109313773. The next prime is 109313857. The reversal of 109313819 is 918313901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 918313901 = 281 ⋅3268021.

It is a cyclic number.

It is not a de Polignac number, because 109313819 - 2²⁰ = 108265243 is a prime.

It is a super-2 number, since 2×109313819² = 23899022048729522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109313119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44309 + ... + 46710.

It is an arithmetic number, because the mean of its divisors is an integer number (27351510).

Almost surely, 2^109313819 is an apocalyptic number.

109313819 is a deficient number, since it is larger than the sum of its proper divisors (92221).

109313819 is an equidigital number, since it uses as much as digits as its factorization.

109313819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92220.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 109313819 is about 10455.3249112593. The cubic root of 109313819 is about 478.1436095054.

The spelling of 109313819 in words is "one hundred nine million, three hundred thirteen thousand, eight hundred nineteen".