305433230 has 16 divisors (see below), whose sum is σ = 552960864. Its totient is φ = 121466400.

The previous prime is 305433221. The next prime is 305433239. The reversal of 305433230 is 32334503.

It is an interprime number because it is at equal distance from previous prime (305433221) and next prime (305433239).

It is a junction number, because it is equal to n+sod(n) for n = 305433196 and 305433205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305433239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86546 + ... + 90005.

It is an arithmetic number, because the mean of its divisors is an integer number (34560054).

Almost surely, 2^305433230 is an apocalyptic number.

305433230 is a deficient number, since it is larger than the sum of its proper divisors (247527634).

305433230 is a wasteful number, since it uses less digits than its factorization.

305433230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176731.

The product of its (nonzero) digits is 3240, while the sum is 23.

The square root of 305433230 is about 17476.6481340101. The cubic root of 305433230 is about 673.4501101799.

Adding to 305433230 its reverse (32334503), we get a palindrome (337767733).

The spelling of 305433230 in words is "three hundred five million, four hundred thirty-three thousand, two hundred thirty".