301231301213 has 6 divisors (see below), whose sum is σ = 305414289594. Its totient is φ = 297104839776.

The previous prime is 301231301191. The next prime is 301231301227. The reversal of 301231301213 is 312103132103.

It can be written as a sum of positive squares in 3 ways, for example, as 89058674329 + 212172626884 = 298427^2 + 460622^2 .

It is not a de Polignac number, because 301231301213 - 2¹⁴ = 301231284829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (301231301243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28258070 + ... + 28268727.

It is an arithmetic number, because the mean of its divisors is an integer number (50902381599).

Almost surely, 2^301231301213 is an apocalyptic number.

It is an amenable number.

301231301213 is a deficient number, since it is larger than the sum of its proper divisors (4182988381).

301231301213 is an frugal number, since it uses more digits than its factorization.

301231301213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56526943 (or 56526870 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 301231301213 its reverse (312103132103), we get a palindrome (613334433316).

The spelling of 301231301213 in words is "three hundred one billion, two hundred thirty-one million, three hundred one thousand, two hundred thirteen".