3031220321213 has 16 divisors (see below), whose sum is σ = 3489347093760. Its totient is φ = 2579388624000.

The previous prime is 3031220321161. The next prime is 3031220321287. The reversal of 3031220321213 is 3121230221303.

It is a cyclic number.

It is not a de Polignac number, because 3031220321213 - 2⁸ = 3031220320957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3031220321113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 828833 + ... + 2597961.

It is an arithmetic number, because the mean of its divisors is an integer number (218084193360).

Almost surely, 2^{3031220321213} is an apocalyptic number.

It is an amenable number.

3031220321213 is a deficient number, since it is larger than the sum of its proper divisors (458126772547).

3031220321213 is a wasteful number, since it uses less digits than its factorization.

3031220321213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770908.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 3031220321213 its reverse (3121230221303), we get a palindrome (6152450542516).

The spelling of 3031220321213 in words is "three trillion, thirty-one billion, two hundred twenty million, three hundred twenty-one thousand, two hundred thirteen".