305243402234 has 16 divisors (see below), whose sum is σ = 470254660776. Its totient is φ = 148492108800.

The previous prime is 305243402227. The next prime is 305243402263. The reversal of 305243402234 is 432204342503.

It can be written as a sum of positive squares in 4 ways, for example, as 229725614209 + 75517788025 = 479297^2 + 274805^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 305243402234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4023614 + ... + 4098774.

Almost surely, 2^305243402234 is an apocalyptic number.

305243402234 is a deficient number, since it is larger than the sum of its proper divisors (165011258542).

305243402234 is a wasteful number, since it uses less digits than its factorization.

305243402234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130081.

The product of its (nonzero) digits is 69120, while the sum is 32.

Adding to 305243402234 its reverse (432204342503), we get a palindrome (737447744737).

The spelling of 305243402234 in words is "three hundred five billion, two hundred forty-three million, four hundred two thousand, two hundred thirty-four".