301313320421 has 2 divisors, whose sum is σ = 301313320422. Its totient is φ = 301313320420.

The previous prime is 301313320411. The next prime is 301313320543. The reversal of 301313320421 is 124023313103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 299771580196 + 1541740225 = 547514^2 + 39265^2 .

It is a cyclic number.

It is not a de Polignac number, because 301313320421 - 2¹⁰ = 301313319397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (301313320411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150656660210 + 150656660211.

It is an arithmetic number, because the mean of its divisors is an integer number (150656660211).

Almost surely, 2^301313320421 is an apocalyptic number.

It is an amenable number.

301313320421 is a deficient number, since it is larger than the sum of its proper divisors (1).

301313320421 is an equidigital number, since it uses as much as digits as its factorization.

301313320421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 301313320421 its reverse (124023313103), we get a palindrome (425336633524).

The spelling of 301313320421 in words is "three hundred one billion, three hundred thirteen million, three hundred twenty thousand, four hundred twenty-one".