305420119 has 4 divisors (see below), whose sum is σ = 305499600. Its totient is φ = 305340640.

The previous prime is 305420077. The next prime is 305420123. The reversal of 305420119 is 911024503.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 911024503 = 23 ⋅39609761.

It is a cyclic number.

It is not a de Polignac number, because 305420119 - 2¹⁵ = 305387351 is a prime.

It is a super-2 number, since 2×305420119² = 186562898179948322, 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 = 305420093 and 305420102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305420149) 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, 33667 + ... + 41764.

It is an arithmetic number, because the mean of its divisors is an integer number (76374900).

Almost surely, 2^305420119 is an apocalyptic number.

305420119 is a deficient number, since it is larger than the sum of its proper divisors (79481).

305420119 is an equidigital number, since it uses as much as digits as its factorization.

305420119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79480.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 305420119 is about 17476.2730294534. The cubic root of 305420119 is about 673.4404738886.

The spelling of 305420119 in words is "three hundred five million, four hundred twenty thousand, one hundred nineteen".