305303021034 has 64 divisors (see below), whose sum is σ = 675827712000. Its totient is φ = 91176145920.

The previous prime is 305303021021. The next prime is 305303021053. The reversal of 305303021034 is 430120303503.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 305303020995 and 305303021013.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1250967 + ... + 1474965.

It is an arithmetic number, because the mean of its divisors is an integer number (10559808000).

Almost surely, 2^305303021034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 305303021034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337913856000).

305303021034 is an abundant number, since it is smaller than the sum of its proper divisors (370524690966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

305303021034 is a wasteful number, since it uses less digits than its factorization.

305303021034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224315.

The product of its (nonzero) digits is 3240, while the sum is 24.

Adding to 305303021034 its reverse (430120303503), we get a palindrome (735423324537).

The spelling of 305303021034 in words is "three hundred five billion, three hundred three million, twenty-one thousand, thirty-four".