103081219 has 4 divisors (see below), whose sum is σ = 103165000. Its totient is φ = 102997440.

The previous prime is 103081211. The next prime is 103081241. The reversal of 103081219 is 912180301.

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

It is a cyclic number.

It is not a de Polignac number, because 103081219 - 2³ = 103081211 is a prime.

It is a super-2 number, since 2×103081219² = 21251475421051922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103081193 and 103081202.

It is not an unprimeable number, because it can be changed into a prime (103081211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40017 + ... + 42514.

It is an arithmetic number, because the mean of its divisors is an integer number (25791250).

Almost surely, 2^103081219 is an apocalyptic number.

103081219 is a deficient number, since it is larger than the sum of its proper divisors (83781).

103081219 is an equidigital number, since it uses as much as digits as its factorization.

103081219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83780.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 103081219 is about 10152.8921495306. The cubic root of 103081219 is about 468.8779920945.

The spelling of 103081219 in words is "one hundred three million, eighty-one thousand, two hundred nineteen".