3120220030013 has 4 divisors (see below), whose sum is σ = 3171371178108. Its totient is φ = 3069068881920.

The previous prime is 3120220029991. The next prime is 3120220030021. The reversal of 3120220030013 is 3100300220213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 153740841604 + 2966479188409 = 392098^2 + 1722347^2 .

It is a cyclic number.

It is not a de Polignac number, because 3120220030013 - 2³² = 3115925062717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3120220029973 and 3120220030000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120220030043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25575573956 + ... + 25575574077.

It is an arithmetic number, because the mean of its divisors is an integer number (792842794527).

Almost surely, 2^{3120220030013} is an apocalyptic number.

It is an amenable number.

3120220030013 is a deficient number, since it is larger than the sum of its proper divisors (51151148095).

3120220030013 is an equidigital number, since it uses as much as digits as its factorization.

3120220030013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51151148094.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 3120220030013 its reverse (3100300220213), we get a palindrome (6220520250226).

The spelling of 3120220030013 in words is "three trillion, one hundred twenty billion, two hundred twenty million, thirty thousand, thirteen".