305315011230 has 128 divisors (see below), whose sum is σ = 765702512640. Its totient is φ = 77825249280.

The previous prime is 305315011151. The next prime is 305315011279. The reversal of 305315011230 is 32110513503.

It is a super-2 number, since 2×305315011230² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 305315011230.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39174214 + ... + 39182006.

It is an arithmetic number, because the mean of its divisors is an integer number (5982050880).

Almost surely, 2^305315011230 is an apocalyptic number.

305315011230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 305315011230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382851256320).

305315011230 is an abundant number, since it is smaller than the sum of its proper divisors (460387501410).

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

305315011230 is a wasteful number, since it uses less digits than its factorization.

305315011230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8346.

The product of its (nonzero) digits is 1350, while the sum is 24.

Adding to 305315011230 its reverse (32110513503), we get a palindrome (337425524733).

The spelling of 305315011230 in words is "three hundred five billion, three hundred fifteen million, eleven thousand, two hundred thirty".