301423213081 has 2 divisors, whose sum is σ = 301423213082. Its totient is φ = 301423213080.

The previous prime is 301423213067. The next prime is 301423213163. The reversal of 301423213081 is 180312324103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 286135127056 + 15288086025 = 534916^2 + 123645^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-301423213081 is a prime.

It is a super-2 number, since 2×301423213081² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (301423213061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150711606540 + 150711606541.

It is an arithmetic number, because the mean of its divisors is an integer number (150711606541).

Almost surely, 2^301423213081 is an apocalyptic number.

It is an amenable number.

301423213081 is a deficient number, since it is larger than the sum of its proper divisors (1).

301423213081 is an equidigital number, since it uses as much as digits as its factorization.

301423213081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 301423213081 its reverse (180312324103), we get a palindrome (481735537184).

The spelling of 301423213081 in words is "three hundred one billion, four hundred twenty-three million, two hundred thirteen thousand, eighty-one".