305278030030 has 16 divisors (see below), whose sum is σ = 550388188080. Its totient is φ = 121913937792.

The previous prime is 305278029989. The next prime is 305278030039. The reversal of 305278030030 is 30030872503.

It is a junction number, because it is equal to n+sod(n) for n = 305278029974 and 305278030001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305278030039) 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, 24652779 + ... + 24665158.

It is an arithmetic number, because the mean of its divisors is an integer number (34399261755).

Almost surely, 2^305278030030 is an apocalyptic number.

305278030030 is a deficient number, since it is larger than the sum of its proper divisors (245110158050).

305278030030 is a wasteful number, since it uses less digits than its factorization.

305278030030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49318563.

The product of its (nonzero) digits is 15120, while the sum is 31.

The spelling of 305278030030 in words is "three hundred five billion, two hundred seventy-eight million, thirty thousand, thirty".