305445133030 has 32 divisors (see below), whose sum is σ = 551188644480. Its totient is φ = 121870012800.

The previous prime is 305445132947. The next prime is 305445133067. The reversal of 305445133030 is 30331544503.

It is a junction number, because it is equal to n+sod(n) for n = 305445132983 and 305445133001.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 9660307 + ... + 9691873.

It is an arithmetic number, because the mean of its divisors is an integer number (17224645140).

Almost surely, 2^305445133030 is an apocalyptic number.

305445133030 is a deficient number, since it is larger than the sum of its proper divisors (245743511450).

305445133030 is a wasteful number, since it uses less digits than its factorization.

305445133030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33984.

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 305445133030 its reverse (30331544503), we get a palindrome (335776677533).

The spelling of 305445133030 in words is "three hundred five billion, four hundred forty-five million, one hundred thirty-three thousand, thirty".