28103253313 has 8 divisors (see below), whose sum is σ = 28168250240. Its totient is φ = 28038331440.

The previous prime is 28103253307. The next prime is 28103253349. The reversal of 28103253313 is 31335230182.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28103253313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28103254313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 768658 + ... + 804388.

It is an arithmetic number, because the mean of its divisors is an integer number (3521031280).

Almost surely, 2^28103253313 is an apocalyptic number.

It is an amenable number.

28103253313 is a deficient number, since it is larger than the sum of its proper divisors (64996927).

28103253313 is a wasteful number, since it uses less digits than its factorization.

28103253313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37527.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 28103253313 its reverse (31335230182), we get a palindrome (59438483495).

The spelling of 28103253313 in words is "twenty-eight billion, one hundred three million, two hundred fifty-three thousand, three hundred thirteen".