301023231109 has 2 divisors, whose sum is σ = 301023231110. Its totient is φ = 301023231108.

The previous prime is 301023231101. The next prime is 301023231127. The reversal of 301023231109 is 901132320103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217992808609 + 83030422500 = 466897^2 + 288150^2 .

It is an emirp because it is prime and its reverse (901132320103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 301023231109 - 2³ = 301023231101 is a prime.

It is a super-2 number, since 2×301023231109² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (301023231101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150511615554 + 150511615555.

It is an arithmetic number, because the mean of its divisors is an integer number (150511615555).

Almost surely, 2^301023231109 is an apocalyptic number.

It is an amenable number.

301023231109 is a deficient number, since it is larger than the sum of its proper divisors (1).

301023231109 is an equidigital number, since it uses as much as digits as its factorization.

301023231109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 25.

The spelling of 301023231109 in words is "three hundred one billion, twenty-three million, two hundred thirty-one thousand, one hundred nine".