28331075101 has 16 divisors (see below), whose sum is σ = 32588434944. Its totient is φ = 24126689664.

The previous prime is 28331075081. The next prime is 28331075131. The reversal of 28331075101 is 10157013382.

It is not a de Polignac number, because 28331075101 - 2³³ = 19741140509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28331075131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 736395 + ... + 773911.

It is an arithmetic number, because the mean of its divisors is an integer number (2036777184).

Almost surely, 2^28331075101 is an apocalyptic number.

It is an amenable number.

28331075101 is a deficient number, since it is larger than the sum of its proper divisors (4257359843).

28331075101 is a wasteful number, since it uses less digits than its factorization.

28331075101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38220.

The product of its (nonzero) digits is 5040, while the sum is 31.

Adding to 28331075101 its reverse (10157013382), we get a palindrome (38488088483).

The spelling of 28331075101 in words is "twenty-eight billion, three hundred thirty-one million, seventy-five thousand, one hundred one".