13531100033 has 6 divisors (see below), whose sum is σ = 14873027442. Its totient is φ = 12300999920.

The previous prime is 13531100029. The next prime is 13531100081. The reversal of 13531100033 is 33000113531.

It can be written as a sum of positive squares in only one way, i.e., 8239555984 + 5291544049 = 90772^2 + 72743^2 .

It is not a de Polignac number, because 13531100033 - 2² = 13531100029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13531099978 and 13531100014.

It is not an unprimeable number, because it can be changed into a prime (13531106033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55913516 + ... + 55913757.

It is an arithmetic number, because the mean of its divisors is an integer number (2478837907).

Almost surely, 2^13531100033 is an apocalyptic number.

It is an amenable number.

13531100033 is a deficient number, since it is larger than the sum of its proper divisors (1341927409).

13531100033 is a wasteful number, since it uses less digits than its factorization.

13531100033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111827295 (or 111827284 counting only the distinct ones).

The product of its (nonzero) digits is 405, while the sum is 20.

Adding to 13531100033 its reverse (33000113531), we get a palindrome (46531213564).

The spelling of 13531100033 in words is "thirteen billion, five hundred thirty-one million, one hundred thousand, thirty-three".