13220312035 has 32 divisors (see below), whose sum is σ = 18586939392. Its totient is φ = 8837579520.

The previous prime is 13220312033. The next prime is 13220312129. The reversal of 13220312035 is 53021302231.

It is not a de Polignac number, because 13220312035 - 2¹ = 13220312033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13220311997 and 13220312015.

It is not an unprimeable number, because it can be changed into a prime (13220312033) 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 31 ways as a sum of consecutive naturals, for example, 2556022 + ... + 2561188.

It is an arithmetic number, because the mean of its divisors is an integer number (580841856).

Almost surely, 2^13220312035 is an apocalyptic number.

13220312035 is a deficient number, since it is larger than the sum of its proper divisors (5366627357).

13220312035 is a wasteful number, since it uses less digits than its factorization.

13220312035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7003.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 13220312035 its reverse (53021302231), we get a palindrome (66241614266).

The spelling of 13220312035 in words is "thirteen billion, two hundred twenty million, three hundred twelve thousand, thirty-five".