133043013313 has 12 divisors (see below), whose sum is σ = 154828491012. Its totient is φ = 113989585920.

The previous prime is 133043013241. The next prime is 133043013347. The reversal of 133043013313 is 313310340331.

It can be written as a sum of positive squares in 2 ways, for example, as 76235627664 + 56807385649 = 276108^2 + 238343^2 .

It is a de Polignac number, because none of the positive numbers 2^k-133043013313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133043016313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 443248 + ... + 680113.

It is an arithmetic number, because the mean of its divisors is an integer number (12902374251).

Almost surely, 2^133043013313 is an apocalyptic number.

It is an amenable number.

133043013313 is a deficient number, since it is larger than the sum of its proper divisors (21785477699).

133043013313 is a wasteful number, since it uses less digits than its factorization.

133043013313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125792 (or 1125785 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 133043013313 its reverse (313310340331), we get a palindrome (446353353644).

The spelling of 133043013313 in words is "one hundred thirty-three billion, forty-three million, thirteen thousand, three hundred thirteen".