3820302221311 has 4 divisors (see below), whose sum is σ = 3892383395352. Its totient is φ = 3748221047272.

The previous prime is 3820302221303. The next prime is 3820302221321. The reversal of 3820302221311 is 1131222030283.

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

It is a cyclic number.

It is not a de Polignac number, because 3820302221311 - 2³ = 3820302221303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3820302221311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3820302221321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36040586941 + ... + 36040587046.

It is an arithmetic number, because the mean of its divisors is an integer number (973095848838).

Almost surely, 2^{3820302221311} is an apocalyptic number.

3820302221311 is a deficient number, since it is larger than the sum of its proper divisors (72081174041).

3820302221311 is an equidigital number, since it uses as much as digits as its factorization.

3820302221311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72081174040.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 3820302221311 its reverse (1131222030283), we get a palindrome (4951524251594).

The spelling of 3820302221311 in words is "three trillion, eight hundred twenty billion, three hundred two million, two hundred twenty-one thousand, three hundred eleven".