133031545033 has 4 divisors (see below), whose sum is σ = 133061504788. Its totient is φ = 133001585280.

The previous prime is 133031545027. The next prime is 133031545091. The reversal of 133031545033 is 330545130331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 330545130331 = 13 ⋅25426548487.

It can be written as a sum of positive squares in 2 ways, for example, as 50549428224 + 82482116809 = 224832^2 + 287197^2 .

It is a cyclic number.

It is not a de Polignac number, because 133031545033 - 2⁵ = 133031545001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133031544986 and 133031545004.

It is not an unprimeable number, because it can be changed into a prime (133031545333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14973216 + ... + 14982097.

It is an arithmetic number, because the mean of its divisors is an integer number (33265376197).

Almost surely, 2^133031545033 is an apocalyptic number.

It is an amenable number.

133031545033 is a deficient number, since it is larger than the sum of its proper divisors (29959755).

133031545033 is an equidigital number, since it uses as much as digits as its factorization.

133031545033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29959754.

The product of its (nonzero) digits is 24300, while the sum is 31.

Adding to 133031545033 its reverse (330545130331), we get a palindrome (463576675364).

The spelling of 133031545033 in words is "one hundred thirty-three billion, thirty-one million, five hundred forty-five thousand, thirty-three".