301134545021 has 2 divisors, whose sum is σ = 301134545022. Its totient is φ = 301134545020.

The previous prime is 301134545009. The next prime is 301134545027. The reversal of 301134545021 is 120545431103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 300069501796 + 1065043225 = 547786^2 + 32635^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-301134545021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (301134545027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150567272510 + 150567272511.

It is an arithmetic number, because the mean of its divisors is an integer number (150567272511).

Almost surely, 2^301134545021 is an apocalyptic number.

It is an amenable number.

301134545021 is a deficient number, since it is larger than the sum of its proper divisors (1).

301134545021 is an equidigital number, since it uses as much as digits as its factorization.

301134545021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 301134545021 its reverse (120545431103), we get a palindrome (421679976124).

The spelling of 301134545021 in words is "three hundred one billion, one hundred thirty-four million, five hundred forty-five thousand, twenty-one".