3103210231081 has 2 divisors, whose sum is σ = 3103210231082. Its totient is φ = 3103210231080.

The previous prime is 3103210231003. The next prime is 3103210231087. The reversal of 3103210231081 is 1801320123013.

It is a happy number.

3103210231081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2885527331856 + 217682899225 = 1698684^2 + 466565^2 .

It is a cyclic number.

It is not a de Polignac number, because 3103210231081 - 2³⁵ = 3068850492713 is a prime.

It is a super-2 number, since 2×3103210231081² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3103210231087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1551605115540 + 1551605115541.

It is an arithmetic number, because the mean of its divisors is an integer number (1551605115541).

Almost surely, 2^{3103210231081} is an apocalyptic number.

It is an amenable number.

3103210231081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3103210231081 is an equidigital number, since it uses as much as digits as its factorization.

3103210231081 is an odious number, because the sum of its binary digits is odd.

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

Adding to 3103210231081 its reverse (1801320123013), we get a palindrome (4904530354094).

The spelling of 3103210231081 in words is "three trillion, one hundred three billion, two hundred ten million, two hundred thirty-one thousand, eighty-one".