2305331028 has 648 divisors, whose sum is σ = 8656895520. Its totient is φ = 509483520.

The previous prime is 2305330981. The next prime is 2305331033. The reversal of 2305331028 is 8201335032.

2305331028 is a `hidden beast` number, since 2 + 305 + 331 + 0 + 28 = 666.

It is a super-2 number, since 2×2305331028² = 10629102297319073568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2305330992 and 2305331010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 62306226 + ... + 62306262.

Almost surely, 2^2305331028 is an apocalyptic number.

2305331028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2305331028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4328447760).

2305331028 is an abundant number, since it is smaller than the sum of its proper divisors (6351564492).

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

2305331028 is a wasteful number, since it uses less digits than its factorization.

2305331028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2305331028 is about 48013.8628731328. The cubic root of 2305331028 is about 1321.0251884217.

It can be divided in two parts, 2305 and 331028, that added together give a palindrome (333333).

The spelling of 2305331028 in words is "two billion, three hundred five million, three hundred thirty-one thousand, twenty-eight".