3103121003123 has 2 divisors, whose sum is σ = 3103121003124. Its totient is φ = 3103121003122.

The previous prime is 3103121003111. The next prime is 3103121003141. The reversal of 3103121003123 is 3213001213013.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3103121003123 - 2¹⁰ = 3103121002099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3103121003095 and 3103121003104.

It is not a weakly prime, because it can be changed into another prime (3103121003923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1551560501561 + 1551560501562.

It is an arithmetic number, because the mean of its divisors is an integer number (1551560501562).

Almost surely, 2^{3103121003123} is an apocalyptic number.

3103121003123 is a deficient number, since it is larger than the sum of its proper divisors (1).

3103121003123 is an equidigital number, since it uses as much as digits as its factorization.

3103121003123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 3103121003123 its reverse (3213001213013), we get a palindrome (6316122216136).

The spelling of 3103121003123 in words is "three trillion, one hundred three billion, one hundred twenty-one million, three thousand, one hundred twenty-three".