3221010013 has 4 divisors (see below), whose sum is σ = 3468780028. Its totient is φ = 2973240000.

The previous prime is 3221009983. The next prime is 3221010101. The reversal of 3221010013 is 3100101223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3100101223 = 34267 ⋅90469.

It can be written as a sum of positive squares in 2 ways, for example, as 2148971449 + 1072038564 = 46357^2 + 32742^2 .

It is a cyclic number.

It is not a de Polignac number, because 3221010013 - 2¹³ = 3221001821 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 247770001 = 3221010013 / (3 + 2 + 2 + 1 + 0 + 1 + 0 + 0 + 1 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3221009975 and 3221010002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221010313) 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, 123884988 + ... + 123885013.

It is an arithmetic number, because the mean of its divisors is an integer number (867195007).

Almost surely, 2^3221010013 is an apocalyptic number.

It is an amenable number.

3221010013 is a deficient number, since it is larger than the sum of its proper divisors (247770015).

3221010013 is a wasteful number, since it uses less digits than its factorization.

3221010013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247770014.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 3221010013 is about 56753.9427088550. The cubic root of 3221010013 is about 1476.8306314667.

Adding to 3221010013 its reverse (3100101223), we get a palindrome (6321111236).

The spelling of 3221010013 in words is "three billion, two hundred twenty-one million, ten thousand, thirteen".