305104231 has 6 divisors (see below), whose sum is σ = 308105880. Its totient is φ = 302131548.

The previous prime is 305104211. The next prime is 305104237. The reversal of 305104231 is 132401503.

It is not a de Polignac number, because 305104231 - 2⁷ = 305104103 is a prime.

It is a super-2 number, since 2×305104231² = 186177183548202722, 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 = 305104199 and 305104208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305104237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3771 + ... + 24988.

It is an arithmetic number, because the mean of its divisors is an integer number (51350980).

Almost surely, 2^305104231 is an apocalyptic number.

305104231 is a deficient number, since it is larger than the sum of its proper divisors (3001649).

305104231 is an equidigital number, since it uses as much as digits as its factorization.

305104231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28965 (or 28862 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 305104231 is about 17467.2330665163. The cubic root of 305104231 is about 673.2082198727.

Adding to 305104231 its reverse (132401503), we get a palindrome (437505734).

The spelling of 305104231 in words is "three hundred five million, one hundred four thousand, two hundred thirty-one".