323312131300273 has 2 divisors, whose sum is σ = 323312131300274. Its totient is φ = 323312131300272.

The previous prime is 323312131300231. The next prime is 323312131300307. The reversal of 323312131300273 is 372003131213323.

It is an a-pointer prime, because the next prime (323312131300307) can be obtained adding 323312131300273 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 248490202199184 + 74821929101089 = 15763572^2 + 8649967^2 .

It is a cyclic number.

It is not a de Polignac number, because 323312131300273 - 2⁹ = 323312131299761 is a prime.

It is a super-2 number, since 2×323312131300273² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (323312131000273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161656065650136 + 161656065650137.

It is an arithmetic number, because the mean of its divisors is an integer number (161656065650137).

Almost surely, 2^{323312131300273} is an apocalyptic number.

It is an amenable number.

323312131300273 is a deficient number, since it is larger than the sum of its proper divisors (1).

323312131300273 is an equidigital number, since it uses as much as digits as its factorization.

323312131300273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 34.

Adding to 323312131300273 its reverse (372003131213323), we get a palindrome (695315262513596).

The spelling of 323312131300273 in words is "three hundred twenty-three trillion, three hundred twelve billion, one hundred thirty-one million, three hundred thousand, two hundred seventy-three".