3103321210081 has 2 divisors, whose sum is σ = 3103321210082. Its totient is φ = 3103321210080.

The previous prime is 3103321210021. The next prime is 3103321210147. The reversal of 3103321210081 is 1800121233013.

It is a happy number.

3103321210081 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1590224403681 + 1513096806400 = 1261041^2 + 1230080^2 .

It is an emirp because it is prime and its reverse (1800121233013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3103321210081 - 2⁷ = 3103321209953 is a prime.

It is a super-2 number, since 2×3103321210081² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3103321210021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1551660605040 + 1551660605041.

It is an arithmetic number, because the mean of its divisors is an integer number (1551660605041).

Almost surely, 2^{3103321210081} is an apocalyptic number.

It is an amenable number.

3103321210081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3103321210081 is an equidigital number, since it uses as much as digits as its factorization.

3103321210081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 3103321210081 its reverse (1800121233013), we get a palindrome (4903442443094).

The spelling of 3103321210081 in words is "three trillion, one hundred three billion, three hundred twenty-one million, two hundred ten thousand, eighty-one".