28321102306 has 8 divisors (see below), whose sum is σ = 48550461120. Its totient is φ = 12137615268.

The previous prime is 28321102301. The next prime is 28321102307. The reversal of 28321102306 is 60320112382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (28321102301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1011467926 + ... + 1011467953.

It is an arithmetic number, because the mean of its divisors is an integer number (6068807640).

Almost surely, 2^28321102306 is an apocalyptic number.

28321102306 is a deficient number, since it is larger than the sum of its proper divisors (20229358814).

28321102306 is a wasteful number, since it uses less digits than its factorization.

28321102306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022935888.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 28321102306 its reverse (60320112382), we get a palindrome (88641214688).

The spelling of 28321102306 in words is "twenty-eight billion, three hundred twenty-one million, one hundred two thousand, three hundred six".