33520140113 has 4 divisors (see below), whose sum is σ = 34337704548. Its totient is φ = 32702575680.

The previous prime is 33520140107. The next prime is 33520140127. The reversal of 33520140113 is 31104102533.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31104102533 = 7 ⋅4443443219.

It can be written as a sum of positive squares in 2 ways, for example, as 14102275009 + 19417865104 = 118753^2 + 139348^2 .

It is a cyclic number.

It is not a de Polignac number, because 33520140113 - 2¹² = 33520136017 is a prime.

It is a super-2 number, since 2×33520140113² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33520140163) 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 3 ways as a sum of consecutive naturals, for example, 408782156 + ... + 408782237.

It is an arithmetic number, because the mean of its divisors is an integer number (8584426137).

Almost surely, 2^33520140113 is an apocalyptic number.

It is an amenable number.

33520140113 is a deficient number, since it is larger than the sum of its proper divisors (817564435).

33520140113 is an equidigital number, since it uses as much as digits as its factorization.

33520140113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817564434.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 33520140113 its reverse (31104102533), we get a palindrome (64624242646).

The spelling of 33520140113 in words is "thirty-three billion, five hundred twenty million, one hundred forty thousand, one hundred thirteen".