303030131140021 has 2 divisors, whose sum is σ = 303030131140022. Its totient is φ = 303030131140020.

The previous prime is 303030131140007. The next prime is 303030131140027. The reversal of 303030131140021 is 120041131030303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 300837403962225 + 2192727177796 = 17344665^2 + 1480786^2 .

It is a cyclic number.

It is not a de Polignac number, because 303030131140021 - 2¹⁹ = 303030130615733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 303030131139974 and 303030131140001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (303030131140027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151515065570010 + 151515065570011.

It is an arithmetic number, because the mean of its divisors is an integer number (151515065570011).

Almost surely, 2^{303030131140021} is an apocalyptic number.

It is an amenable number.

303030131140021 is a deficient number, since it is larger than the sum of its proper divisors (1).

303030131140021 is an equidigital number, since it uses as much as digits as its factorization.

303030131140021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 303030131140021 its reverse (120041131030303), we get a palindrome (423071262170324).

The spelling of 303030131140021 in words is "three hundred three trillion, thirty billion, one hundred thirty-one million, one hundred forty thousand, twenty-one".