3103231300121 has 2 divisors, whose sum is σ = 3103231300122. Its totient is φ = 3103231300120.

The previous prime is 3103231300093. The next prime is 3103231300193. The reversal of 3103231300121 is 1210031323013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3102318595600 + 912704521 = 1761340^2 + 30211^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3103231300121 is a prime.

It is a super-2 number, since 2×3103231300121² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3103231300093 and 3103231300102.

It is not a weakly prime, because it can be changed into another prime (3103231300921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1551615650060 + 1551615650061.

It is an arithmetic number, because the mean of its divisors is an integer number (1551615650061).

Almost surely, 2^{3103231300121} is an apocalyptic number.

It is an amenable number.

3103231300121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3103231300121 is an equidigital number, since it uses as much as digits as its factorization.

3103231300121 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 3103231300121 its reverse (1210031323013), we get a palindrome (4313262623134).

The spelling of 3103231300121 in words is "three trillion, one hundred three billion, two hundred thirty-one million, three hundred thousand, one hundred twenty-one".